The HelpNDoc API is based on the Pascal programming language. The following list describes the methods available via the HelpNDoc API. As an example for the ClearDictionaries method, it can be used as follows: HndDictionaries.ClearDictionaries();

Var HndUtils

Various utility methods

• function FilterAlphaNumericString(aStr: string; const doKeepSpaces: Boolean; const doKeepUnderscore: Boolean; const doKeepDash: Boolean): string;
  Filter a string to make it alpha-numeric only. Converts accented characters too.
• function HexToTColor(sColor: string): TColor;
  Converts an hexadecimal value to a TColor
• function HTMLDecode(S: string): string;
  Converts a string that has been HTML-encoded into a decoded string
• function HTMLEncode(S: string): string;
  Converts a string into an HTML-encoded string
• function HTMLEscape(S: string): string;
  Escape HTML entities so that they can be included in HTML text or attribute
• function HTMLToText(HtmlInput: string): string;
  Converts a HTML content to simple text without any tags
• function IdnEncode(S: string): string;
  Performs a International Domain Name (IDNA) Punycode encoding
• function IdnDecode(S: string): string;
  Performs a International Domain Name (IDNA) Punycode decoding
• function JSEncode(S: string): string;
  Encodes a string for use in a JavaScript string literal
• function JSEscapeQuote(S: string): string;
  Escape single and double quotes in a JavaScript string literal
• function TColorToHex(Color: string): string; overload;
  Converts a TColor string value to a heaxadecimal string
• function TColorToHex(Color: TColor): string; overload;
  Converts a TColor value to a heaxadecimal string
• function UrlEncode(S: string): string;
  Performs a URL percent encoding
• function UrlDecode(S: string): string;
  Performs a URL percent decoding

Type THndBuildInfo

Information about a specific build

• Id: string;
  Unique identifier of the build.
• Kind: string;
  Kind of the build: code, chm, epub, html, kindle, pdf, qthelp, word
• Name: string;
  Name of the build.
• Enabled: Boolean;
  Is the build enabled ?
• Order: Integer;
  Order of the build in the list. Greater will be built later.
• Output: string;
  Output path of the build.
• Template: string;
  Template name used for this build.

Type THndBuildInfoArray

Array of THndBuildInfo

Var HndBuilds

Properties and methods for Builds.

• function CreateBuild: string;
  Create a new build.
• procedure DeleteAllBuilds;
  Delete all builds for the current project.
• procedure DeleteBuild(const aBuildId: string);
  Delete a specific build.
• function GetBuildEnabled(const aBuildId: string): Boolean;
  Returns true if a build is enabled.
• function GetBuildFirst: string;
  Returns the first build in the build list.
• function GetBuildFirstOfKind(const aBuildKind: string): string;
  Returns the first build of the specified kind.
• function GetBuildKind(const aBuildId: string): string;
  Returns the kind of the build (CHM, HTML...).
• function GetBuildLast: string;
  Returns the last build in the build list.
• function GetBuildList: THndBuildInfoArray;
  Get a list of all builds in the project.
• function GetBuildName(const aBuildId: string): string;
  Returns the name of a specific build.
• function GetBuildNext(const aBuildId: string): string;
  Get the next build.
• function GetBuildOrder(const aBuildId: string): Integer;
  Returns the order of a specific build.
• function GetBuildOutput(const aBuildId: string): string;
  Returns the output path/file of a build.
• function GetBuildPrevious(const aBuildId: string): string;
  Returns the previous build.
• function GetBuildTemplate(const aBuildId: string): string;
  Returns the template used by this build.
• function GetBuildWithName(const aBuildName: string): string;
  Returns the first build with the specified name. This method is case-insensitive.
• procedure MoveBuildAfter(const aBuildId: string; const aAfterBuildId: string);
  Move a build after another one.
• procedure MoveBuildBefore(const aBuildId: string; const aBeforeBuildId: string);
  Move a build before another one.
• procedure MoveBuildFirst(const aBuildId: string);
  Move a build first in the list.
• procedure MoveBuildLast(const aBuildId: string);
  Move a build last in the list.
• procedure SetBuildEnabled(const aBuildId: string; const aIsEnabled: Boolean);
  Set the enabled state for a build.
• procedure SetBuildKind(const aBuildId: string; const aBuildKind: string);
  Sets the kind of the build (CHM, HTML...).
• procedure SetBuildName(const aBuildId: string; const aName: string);
  Set the name of a specific build.
• procedure SetBuildOutput(const aBuildId: string; const aOutput: string);
  Set the output path/file of a build.
• procedure SetBuildTemplate(const aBuildId: string; const aTemplateName: string);
  Set the template used by this build.

Var HndBuildsEx

Additional properties and methods for Builds.

• function DuplicateBuild(const aBuildId: string): string;
  Duplicate a specific build (including build, meta, status and tags). Returns the new build's ID
• function GetBuildListFilteredByName(const aOnlyBuildsNamed: TStringList = nil; aExceptBuildsNamed: TStringList = nil): THndBuildInfoArray;
  Returns a list of builds filtered by name (case insensitive)
• function GetBuildTemplateOrDefault(const aBuildId: string): string;
  Returns the template for a specific build or the default template for this build kind.
• function GetValidBuildOutput(const aBuildId: string; const aBuildOutput: string): string;
  Returns a build output which is not empty.

Type THndBuildActionInstanceInfo

Information about a specific build action

• id: string;
• name: string;
• description: string;
• actiontype: string;
• content: string;
• kind: Integer;
• enabled: Boolean;
• order: Integer;

Type THndBuildActionInstanceInfoArray

List of build action info

Var HndBuildsActions

Handle pre- and post- build actions

• function CreateBuildAction(aBuildId: string): string;
  Create a new action for a specific build. Returns its unique ID
• procedure DeleteAllBuildActions(aBuildId: string);
  Delete all actions associated with a specific build
• function DeleteBuildAction(aBuildActionId: string): Boolean;
  Delete a specific build action
• procedure CopyBuildActionsToBuild(const aSourceBuildId: string; const aDestBuildId: string);
  Copy all build styles for a specific build to another build
• function GetBuildActionInfo(aBuildActionId: string): THndBuildActionInstanceInfo;
  Get a detailed information for a specific build action
• function GetBuildActionsList(aBuildId: string; doIncludePreBuildActions: Boolean; doIncludePostBuildActions: Boolean): THndBuildActionInstanceInfoArray;
  Get a detailed list of all actions for a specific build
• procedure MoveBuildActionUp(aBuildActionId: string);
  Move a build action up: execute it earlier
• procedure MoveBuildActionDown(aBuildActionId: string);
  Move a build action down: execute it later
• procedure MoveBuildActionFirst(aBuildActionId: string);
  Move a build action last: first one executed
• procedure MoveBuildActionLast(aBuildActionId: string);
  Move a build action last: last one executed
• procedure MoveBuildActionAfter(const aBuildActionId: string; const aAfterBuildActionId: string);
  Move a build action after another one.
• procedure MoveBuildActionBefore(const aBuildActionId: string; const aBeforeBuildActionId: string);
  Move a build action before another one.
• function GetBuildActionFirst(aBuildId: string; doIncludePreBuildActions: Boolean; doIncludePostBuildActions: Boolean): string;
  Get the first build action for a specific build
• function GetBuildActionNext(aBuildActionId: string; doIncludePreBuildActions: Boolean; doIncludePostBuildActions: Boolean): string;
  Get the build action next to the one specified
• function GetBuildActionPrevious(aBuildActionId: string; doIncludePreBuildActions: Boolean; doIncludePostBuildActions: Boolean): string;
  Get the build action previous to the one specified
• function GetBuildActionName(aBuildActionId: string): string;
  Get the name of a specific build action
• function GetBuildActionDescription(aBuildActionId: string): string;
  Get the description of a specific build action
• function GetBuildActionContent(aBuildActionId: string): string;
  Get the content of a specific build action
• function GetBuildActionActionType(aBuildActionId: string): string;
  Get the type of action of a specific build action
• function GetBuildActionKind(aBuildActionId: string): Integer;
  Get the kind of a specific build action (0: pre-build; 1: post-build)
• function GetBuildActionEnabled(aBuildActionId: string): Boolean;
  Get the enabled status of a specific build action
• function GetBuildActionOrder(aBuildActionId: string): Integer;
  Get the order of a specific build action
• procedure SetBuildActionName(aBuildActionId: string; aBuildActionName: string);
  Set the name of a specific build action
• procedure SetBuildActionDescription(aBuildActionId: string; aBuildActionDescription: string);
  Set the description of a specific build action
• procedure SetBuildActionContent(aBuildActionId: string; aBuildActionContent: string);
  Set the content of a specific build action
• procedure SetBuildActionActionType(aBuildActionId: string; aBuildActionActionType: string);
  Set the action type of a specific build action
• procedure SetBuildActionKind(aBuildActionId: string; aBuildActionKind: Integer);
  Set the kind of a specific build action (0: pre-build; 1: post-build)
• procedure SetBuildActionEnabled(aBuildActionId: string; aBuildActionEnabled: Boolean);
  Set the enabled status of a specific build action

Type PHndBuildLibraryOverrideInfo

Pointer to THndBuildLibraryOverrideInfo

Type THndBuildLibraryOverrideInfo

Information about a specific build library override

• idBuild: string;
• idLibraryItem: string;
• isEnabled: Boolean;
• Properties: string;

Type THndBuildLibraryOverrideInfoArray

Array of THndBuildLibraryOverrideInfo

Var HndBuildsLibraryOverrides

API functions to manage library overrides for individual builds

• function GetBuildLibraryOverrideInfo(const idBuild: string; const idLibraryItem: string): THndBuildLibraryOverrideInfo;
  Return build library override info for specific item
• procedure SetBuildLibraryOverrideInfo(const idBuild: string; const idLibraryItem: string; const isEnabled: Boolean; const Properties: string);
  Set build library override info for specific item
• procedure SetBuildLibraryOverrideEnabled(const idBuild: string; const idLibraryItem: string; const isEnabled: Boolean);
  Set build library override is enabled for specific item
• procedure SetBuildLibraryOverrideProperties(const idBuild: string; const idLibraryItem: string; const Properties: string);
  Set build library override properties for specific item
• procedure DeleteLibraryOverride(const idBuild: string; const idLibraryItem: string);
  Delete library override info, content and source for specific item
• procedure DeleteAllLibraryOverridesForBuild(const idBuild: string);
  Delete all library overrides info, content and source for a build
• procedure DeleteAllLibraryOverridesForLibraryItem(const idLibraryItem: string);
  Delete all library overrides info, content and source for a library item
• function GetBuildLibraryOverrideInfoListForBuild(const idBuild: string): THndBuildLibraryOverrideInfoArray;
  Return list of build library override info for specific build
• function GetBuildLibraryOverrideInfoListForLibraryItem(const idLibraryItem: string): THndBuildLibraryOverrideInfoArray;
  Return list of build library override info for specific library item
• function GetBuildLibraryOverrideContent(const idBuild: string; const idLibraryItem: string): TMemoryStream;
  Return content of library override for specific item
• function GetBuildLibraryOverrideContentChecksum(const idBuild: string; const idLibraryItem: string): string;
  Return content's checksum of library override for specific item
• procedure SetBuildLibraryOverrideContent(const idBuild: string; const idLibraryItem: string; aContentStream: TMemoryStream);
  Set content of library override for specific item
• function GetBuildLibraryOverrideSource(const idBuild: string; const idLibraryItem: string): TMemoryStream;
  Return source of library override for specific item
• function GetBuildLibraryOverrideSourceChecksum(const idBuild: string; const idLibraryItem: string): string;
  Return source's checksum of library override for specific item
• procedure SetBuildLibraryOverrideSource(const idBuild: string; const idLibraryItem: string; aSourceStream: TMemoryStream);
  Set source of library override for specific item

Var HndBuildsMeta

Access to builds meta data

Var HndBuildsMetaEx

Additional methods related to builds meta data

• function GetChmButtonVisibilityHex(const aBuildId: string): string;
  Return the CHM button visibility as an hexadecimal string.
• function GetChmNavigationPaneStyleHex(const aBuildId: string): string;
  Returns the CHM navigation pane style as an Hexadecimal string.
• function GetProjectDateTimeFormatOverrides(const aBuildId: string; const doIncludeDefaultProjectFormat: Boolean): THndProjectDateTimeFormat;
  Returns overriden project date / time formats
• function GetProjectSettingsOverrides(const aBuildId: string; const doIncludeDefaultProjectSettings: Boolean): THndProjectSettings;
  Get project settings overrides for the specified build
• procedure ResetProjectDateTimeFormatOverrides(const aBuildId: string);
  Reset project date/time overrides for the specified build
• procedure ResetProjectSettingsOverrides(const aBuildId: string);
  Reset project settings overrides for the specified build
• procedure SetProjectDateTimeOverrides(const aBuildId: string; const aDateTimeFormat: THndProjectDateTimeFormat);
  Set the project date time overrides for the specified build
• procedure SetProjectSettingsOverrides(const aBuildId: string; const aProjectSettings: THndProjectSettings);
  Set project settings overrides for the specified build

Var HndBuildsStatus

Handle relationship between builds and statuses

• function AreBuildAndStatusAssociated(const aBuildId: string; const aStatusId: string): Boolean;
  Indicates whether the specified build and status are associated.
• function AssociateBuildWithStatus(const aBuildId: string; const aStatusId: string): Boolean;
  Link a specific build to a specific Status.
• procedure DissociateAllForStatus(const aStatusId: string);
  Remove any association with the specified status.
• procedure DissociateAllForBuild(const aBuildId: string);
  Remove any association with the specified builds.
• function DissociateBuildFromStatus(const aBuildId: string; const aStatusId: string): Boolean;
  Remove the association between the specified build and status.
• function GetStatusAssociatedWithBuild(const aBuildId: string): TStringDynArray;
  Get a list of status Ids associated with a specific build.
• function GetBuildsAssociatedWithStatus(const aStatusId: string): TStringDynArray;
  Get a list of build Ids associated with a specific status.

Var HndBuildsStatusEx

Additional methods to handle relationship between builds and statuses

• function IsTopicIncludedInBuild(const aTopicId: string; const aBuildId: string): Boolean;
  Returns true if a topic can be included in the specified build (including correct build status).

Type THndBuildStyleInfo

• Name: string;
• Enabled: Boolean;
• Content: string;

Type THndBuildStyleInfoArray

Var HndBuildsStyles

Handle overridden styles for each builds

• procedure CopyBuildStylesToBuild(const aSourceBuildId: string; const aDestBuildId: string);
  Copy all build styles for a specific build to another build
• procedure DeleteAllBuildStyles(const aBuildId: string);
  Delete all build styles for a specific build ID
• procedure DeleteBuildStyle(const aBuildId: string; const aStyleName: string);
  Delete a specific build's overridden style
• function GetBuildStyleContent(const aBuildId: string; const aStyleName: string): string;
  Get the content of a specific build's overridden style
• function GetBuildStyleEnabled(const aBuildId: string; const aStyleName: string): Boolean;
  Get the enabled status of a specific build's overridden style. If not found, returns false.
• function GetBuildStyleList(const aBuildId: string): THndBuildStyleInfoArray;
  Get a list of overridden styles for a secific build
• procedure SetBuildStyleContent(const aBuildId: string; const aStyleName: string; const aContent: string);
  Set the content of a specific build's overridden style. Creates it if needed.
• procedure SetBuildStyleEnabled(const aBuildId: string; const aStyleName: string; const isEnabled: Boolean);
  Set the enabled status of a specific build's overridden style. Creates it if needed.

Var HndBuildsTags

Handle relationship between builds and tags

• function AreBuildAndTagAssociated(const aBuildId: string; const aTagName: string): Boolean;
  Indicates wether the specified build and tag are associated.
• function AssociateBuildWithTag(const aBuildId: string; const aTagName: string): Boolean;
  Link a specific build to a specific Tag.
• procedure DissociateAllForTag(const aTagName: string);
  Remove any association with the specified tag.
• procedure DissociateAllForBuild(const aBuildId: string);
  Remove any association with the specified builds.
• function DissociateBuildFromTag(const aBuildId: string; const aTagName: string): Boolean;
  Remove the association between the specified build and tag.
• function GetTagsAssociatedWithBuild(const aBuildId: string): TStringDynArray;
  Get a list of tag Ids associated with a specific build.
• function GetBuildsAssociatedWithTag(const aTagName: string): TStringDynArray;
  Get a list of build Ids associated with a specific tag.

Var HndBuildsTagsEx

Additional methods to handle relationship between builds and tags

• procedure ConditionAdd(aCondition: string; var aConditionList: TStringList);
  Add condition to the list.
• procedure ConditionInvert(var aConditionList: TStringList);
  Invert condition in the list.
• function ConditionRemove(aCondition: string; var aConditionList: TStringList): Boolean;
  Remove condition from the list.
• procedure ConditionReset(var aConditionList: TStringList);
  Reset condition list.
• function IsTopicIncludedInBuild(const aTopicId: string; const aBuildId: string): Boolean;
  Returns true if a topic can be included in the specified build (including correct build tags).

Type THndDictionaryInfo

Information about a specific dictionary

• name: string;
• description: string;
• author: string;
• updated: TDate;
• localeid: Cardinal;
• dictionaryfile: string;
• grammarfile: string;
• active: Boolean;

Type THndDictionaryInfoArray

Array of THndDictionaryInfo

Var HndDictionaries

Manage dictionaries and live spell check

• procedure ClearDictionaries;
  Clears the loaded dictionaries list and disable the spell checker component.
• procedure DisableAllDictionaries;
  Disable all the dictionaries.
• function EnableDictionaries(const aLocalIdList: TStringList; const DisabledOthers: Boolean): Boolean;
  Enable a list of dictionaries. Disable the other ones if needed.
• function EnableDictionary(const aLocaleId: Cardinal; const DisabledOthers: Boolean): Boolean;
  Enable the specific dictionary and disables others if asked.
• function GetActiveDictionariesCount: Integer;
  Returns the number of currently active dictionaries.
• function GetActiveDictionariesList: THndDictionaryInfoArray;
  Returns the list of currently active dictionaries.
• function GetDictionariesCount: Integer;
  Get the number of dictionaries.
• function GetDictionariesList: THndDictionaryInfoArray;
  Get a list of dictionaries.
• function GetDictionaryInfo(const aLocalId: Cardinal): THndDictionaryInfo;
  Returns information about the specific locale.
• function InstallOOoDictionay(const aFileName: string): Boolean;
  Installs a new OpenOffice.org dictionary.
• procedure PauseLiveSpell;
  Pause live spell in all possible controls.
• function ReloadDictionaries: Boolean;
  Reload the dictionary list from the disk.
• procedure SwitchDictionaryStatus(const aLocalId: Cardinal);
  If dictionary is enable, then disable it and vice-versa.
• procedure UpdateLiveSpell;
  Resume the live spell after it has been paused.

Type THndCaretMovement

Caret movement

• hcmUp
• hcmDown
• hcmLeft
• hcmRight
• hcmTop
• hcmBottom
• hcmHome
• hcmEnd
• hcmParaBeginning
• hcmNextParaBeginning

Type THndVAlign

Vertical alignment of a picture

• hndVaBaseline
• hndVaMiddle
• hndVaAbsTop
• hndVaAbsBottom
• hndVaAbsMiddle
• hndVaLeft
• hndVaRight

Type THndHVAlignment

Table cell alignment

• hndHVaTopLeft
• hndHVaTopCenter
• hndHVaTopRight
• hndHVaCenterLeft
• hndHVaCenter
• hndHVaCenterRight
• hndHVaBottomLeft
• hndHVaBottomCenter
• hndHVaBottomRight

Type THndHyperlinkKind

Kind of hyperlink

• hlkTopic
• hlkNavigation
• hlkInternetMail
• hlkFile
• hlkCounter

Type THndHyperlinkInfo

Information about a hyperlink

• Kind: THndHyperlinkKind;
• Param1: string;
• Param2: string;
• Param3: string;
• Initialize(out Dest: THndHyperlinkInfo);

Var HndEditor

Create and manage a topic editor

• procedure ApplyStyleToSelection(const anEditor: TObject; const aStyleId: Integer);
  Apply the specified style to the selection.
• procedure Clear(const anEditor: TObject);
  Clears the content of the specified editor.
• procedure ConvertParagraphBreaksToLineBreaks(const anEditor: TObject; doProcessSelectionOnly: Boolean);
  Convert paragraph breaks to soft line breaks
• function ConvertSelectionToSnippet(const anEditor: TObject; const doReplaceSelection: Boolean; var nbItemsConverted: Integer; var nbItemsDeleted: Integer): string;
  Convert the currently selected content to a snippet and return it ID. Replace the selection by the snippet if doReplaceSelection is True
• function CreateTemporaryEditor: TObject;
  Creates a new temporary editor.
• function CreateTemporaryReportHelper: TObject;
  Create a new temporary report helper.
• function CreateTemporaryViewer: TObject;
  Creates a new temporary viewer.
• procedure DestroyTemporaryEditor(const anEditor: TObject);
  Destroys a previously created temporary editor.
• procedure DestroyTemporaryReportHelper(const aReportHelper: TObject);
  Destroys a previously created temporary report helper.
• procedure DestroyTemporaryViewer(const aViewer: TObject);
  Destroys a previously created temporary viewer.
• function GetAnchorList(const anEditor: TObject): TStringList;
  Retrieves the list of anchors in the specified editor.
• function GetContentAsHtml(const anEditor: TObject; out aCssContent: string): string;
  Returns the editor content as HTML.
• procedure GetContentAsStream(const anEditor: TObject; aStream: TMemoryStream);
  Returns the editor content as Stream.
• function GetContentAsText(const anEditor: TObject): string;
  Returns the editor content as text.
• function GetCurrentAnchorName(const anEditor: TObject): string;
  Returns the name of the current checkpoint or an empty string if there isn't any.
• function GetCurrentItem(const anEditor: TObject): TObject;
  Returns the currently selected item.
• function GetCurrentPictureAltText(const anEditor: TObject): string;
  Return the currently selected picture's alternative text.
• function GetCurrentPictureBackColor(const anEditor: TObject): TColor;
  Returns the background color of the currently selected picture.
• function GetCurrentPictureHeight(const anEditor: TObject; const DoConvertTo96Dpi: Boolean): Integer;
  Returns the currently selected picture's height.
• function GetCurrentPictureMarginLeftRight(const anEditor: TObject): Integer;
  Get the current picture left/right margins.
• function GetCurrentPictureMarginTopBottom(const anEditor: TObject): Integer;
  Get the current picture top/bottom margins.
• function GetCurrentPicturePadding(const anEditor: TObject): Integer;
  Get the current picture padding.
• function GetCurrentPictureVAlign(const anEditor: TObject): THndVAlign;
  Return the currently selected picture's vertical alignment.
• function GetCurrentPictureWidth(const anEditor: TObject; const DoConvertTo96Dpi: Boolean): Integer;
  Returns the currently selected picture's width.
• function GetUsedLibraryItems(const anEditor: TObject): TStringList;
  Returns a list of library items used in that document
• procedure InsertAnchorBeforeCurrentItem(const anEditor: TObject; const aName: string);
  Inserts a checkpoint at the current cursor position.
• procedure InsertCondition(const anEditor: TObject; const anOperation: string; const aCondition: string);
  Insert a condition item at the current cursor position.
• procedure InsertContentFromHTML(anEditor: TObject; aHtmlContent: string);
  Insert HTML content in the editor
• function InsertFile(anEditor: TObject; aFile: string): Boolean;
  Inserts a file in the editor.
• function InsertFileFromLibraryItem(const anEditor: TObject; const aLibraryItem: string; const doImportNewImagesToLibrary: Boolean): Boolean;
  Insert the content of the library item.
• procedure InsertHyperLinkToTopicId(const anEditor: TObject; const aText: string; const aLinkedTopicId: string; const aLinkedAnchor: string = '');
  Inserts an hyperlink to a specific topic ID (and optionally anchor in that topic) using the provided caption.
• procedure InsertHyperLinkToUrl(const anEditor: TObject; const aText: string; const anUrl: string);
  Inserts an hyperlink to a specific URL.
• function InsertLibraryItem(const anEditor: TObject; const aLibraryItem: string; const OnlyReplaceContent: Boolean): TObject;
  Insert a library item object in the specified editor at the current cursor position.
• function InsertLibraryItemContent(const anEditor: TObject; const aLibraryItem: string): Boolean;
  Insert the content of a library item in the specified editor at the current cursor position.
• procedure InsertPageBreakBeforeCurrentItem(const anEditor: TObject);
  Inserts a page break at the current cursor position.
• function InsertStream(const anEditor: TObject; const aStream: TStream): Boolean;
  Insert the content of the specified stream in the specified editor.
• procedure InsertTopicContent(const anEditor: TObject; const aTopicId: string);
  Insert the content of the specified topic in the specified editor.
• function IsEmpty(const anEditor: TObject): Boolean;
  Returns true if the editor is empty
• procedure MoveCaret(anEditor: TObject; aDirection: THndCaretMovement);
  Move the editor's caret to the specified direction
• procedure MoveCaretTo(anEditor: TObject; X: Integer; Y: Integer);
  Move the specified editor's caret to another location.
• procedure MoveCarretToEnd(const anEditor: TObject);
  Move the specified editor's caret to the end.
• procedure ProcessConditionalsForCurrentBuild(const anEditor: TObject);
  Removes any conditional items based on current build setting.
• procedure RemoveCurrentAnchor(const anEditor: TObject);
  Remove the current checkpoint in the specified Editor.
• function ReplaceLibraryItems(const anEditor: TObject): Boolean;
  Replace the library items by their actual content.
• procedure SetAsTopicContent(const anEditor: TObject; const aTopicId: string);
  Set the specific topic's content as the current editor's content.
• function SetContent(const anEditor: TObject; const aContentStream: TStream): Boolean;
  Set the content from a stream.
• procedure SetCurrentCellsAlignment(const anEditor: TObject; const anHVAlignment: THndHVAlignment);
  Sets the currently selected cells horizontal and vertical alignment.
• procedure SetCurrentPictureAltText(const anEditor: TObject; const anAltText: string);
  Set the currently selected picture's alternative text.
• procedure SetCurrentPictureBackColor(const anEditor: TObject; const aColor: TColor);
  Set the currently selected picture's background color.
• procedure SetCurrentPictureHeight(const anEditor: TObject; const aNewHeight: Integer; const doConstrainProportions: Boolean);
  Defines the currently selected picture's height.
• procedure SetCurrentPictureMarginLeftRight(const anEditor: TObject; const aNewMargin: Integer);
  Set the currently selected picture's left/right margins.
• procedure SetCurrentPictureMarginTopBottom(const anEditor: TObject; const aNewMargin: Integer);
  Set the currently selected picture's top/bottom margins.
• procedure SetCurrentPicturePadding(const anEditor: TObject; const aNewSpacing: Integer);
  Set the currently selected picture's padding.
• procedure SetCurrentPictureVAlign(const anEditor: TObject; const aNewVAlign: THndVAlign);
  Defines the currently selected picture's vertical alignment.
• procedure SetCurrentPictureWidth(const anEditor: TObject; const aNewWidth: Integer; const doConstrainProportions: Boolean);
  Defines the currently selected picture's width.
• procedure SyntaxHighlightSelection(const anEditor: TObject; const aLanguageCode: string);
  Syntax highlight the selected content based on the language
• procedure TogglePageBreak(const anEditor: TObject);
  Create or remove the current page break.
• procedure UpdateLibraryItem(const anEditor: TObject; anItemId: string);
  Update a library item's visual appearance in the editor.

Var HndEditorHelper

Additional methods to manage a topic editor

• procedure CleanContent(const anEditor: TObject);
  Cleans the content of the editor by removing any un-needed items. This will not alter the content of the editor but could make its size on disk/memory smaller
• procedure GetCurrentStyleTemplateInfo(const anEditor: TObject; var aStyleTemplateId: Integer; var aStyleTemplateName: string);
  Returns information about the current style template.
• function GetHyperlinkDetailedTextFromString(const aString: string): string;
  Returns a detailed text from an hyperlink string.
• function GetHyperlinkInfoFromString(const aString: string): THndHyperlinkInfo;
  Extract the hyperlink information from a string.
• procedure GetHyperlinkTargetExtraFromString(const aString: string; var Target: string; var Extras: string);
  Returns the Target and Extra values from hyperlink data.
• procedure ImportImagesToLibrary(const anEditor: TObject);
  Import the images to library.
• procedure ReplaceAnchorsToLowercase(const anEditor: TObject);
  Modify all anchors to lowercase.
• procedure ScrollToSelection(const anEditor: TObject);
  Scrolls to make selection visible
• function SetHyperlinkInfoToString(const anHyperLinkInfo: THndHyperlinkInfo): string;
  Constructs a string based in hyperlink info.
• procedure SetupEditorProperties(const anEditor: TObject);
  Defines default editor properties and events.

Type THndGeneratorInfo

Information and actions over the current generation

• BOMOutput: Boolean;
  Add BOM to currently generated file
• ForceOutputEncoding: Boolean;
  Force output encoding for the currently generated file
• HelpNDocVersion: string;
  Current HelpNDoc version
• OutputDir: string;
  Output directory of the current generator
• OutputFile: string;
  Output file name for the current generator
• function GetAssetsList: TStringDynArray;
  Returns a list of template assets
• function GetCustomSettingValue(const aCustomSetting: string): Variant;
  Returns the user-defined value of a custom setting.
• function GetGeneratedFiles: TStringDynArray;
  List of files that have been generated so far.
• property CurrentBuildId: string;
  Current build Id being executed.
• property CurrentFile: string;
  Currently generated file
• property CurrentTopic: string;
  Current topic ID which is being worked on.
• property LogInfoCount: Integer;
  How many INFO log occurred while generating.
• property LogWarningCount: Integer;
  How many WARNING log occurred while generating.
• property LogErrorCount: Integer;
  How many ERROR log occurred while generating.
• property OutputDirLib: string;
  Output sub-directory where library items are generated. Always a valid HTML path
• property TemplateInfo: THndTemplateInfo;
  Information about the currently used template.

Var HndJsSearchEngine

Methods to manage the JavaScript search engine

• procedure AddSearchData(const aSearchData: string; const aAssociatedTopicId: string; const nMinWordLength: Integer = 3);
  Add search data and associate it to a specific topic.
• procedure ClearSearchData;
  Clear the current search data.
• function GetJsData: string;
  Get the JavaScript search data.

Type THndKeywordsAttachMode

Specify how the moved keyword will be attached: - hkamAdd: Adds a node at the same level as the existing node. - hkamAddChild: Adds a child node to the existing node.

• hkamAdd
• hkamAddFirst
• hkamAddChild
• hkamAddChildFirst
• hkamInsert

Type THndKeywordsInfo

Minimal keyword information. Used by the THndKeywordsInfoArray

• Id: string;
• Caption: string;
• ParentId: string;

Type THndKeywordsInfoArray

Array of minimal keyword information

Var HndKeywords

Properties and methods for keywords

• function CreateKeyword: string;
  Create a new keyword. The new keyword will be placed at the bottom of the list.
• procedure DeleteAllKeywords;
  Delete all the keywords in the project, except the root project keyword.
• function DeleteKeyword(const aKeywordId: string): Boolean;
  Delete a specific keyword and its children.
• function GenerateUniqueCaption(anInitialCaption: string; aParentId: string; const aFilteredItems: array of string): string;
  Generates a unique caption within the specified parent.
• function GetKeywordByCaption(aCaption: string; aParentId: string): string;
  Returns the ID of the keyword with the specified case-insensitive caption with the specified parent.
• function GetKeywordCaption(const aKeywordId: string): string;
  Get the caption of a specific keyword.
• function GetKeywordDirectChildrenCount(const aKeywordId: string): Integer;
  Returns the number of children for the specified keyword.
• function GetKeywordDirectChildrenList(const aParentId: string): THndKeywordsInfoArray;
  Returns a list of all the children keywords.
• function GetKeywordLevel(const aKeywordId: string): Integer;
  Returns the level of the specified keyword.
• function GetKeywordList(const aIncludingProjectKeyword: Boolean): THndKeywordsInfoArray;
  Returns a list of all the keywords.
• function GetKeywordNext(const aKeywordId: string): string;
  Get the next keyword in line. Could be a child or the next keyword.
• function GetKeywordNextSibbling(const aKeywordId: string): string;
  Returns the next sibling of a specific keyword.
• function GetKeywordParent(const aKeywordId: string): string;
  Returns the parent keyword of a specific keyword.
• function GetKeywordPreviousSibbling(const aKeywordId: string): string;
  Get the previous sibling keyword.
• function GetProjectKeyword: string;
  Returns the root project keyword.
• function MoveKeyword(const aKeywordId: string; const aReferencedKeywordId: string; const oAttachMode: THndKeywordsAttachMode): Boolean;
  Move the keyword to a new position in reference to nReferencedKeywordsId.
• function MoveKeywordLeft(const aKeywordId: string): Boolean;
  Move the specific keyword left in the hierarchy.
• function MoveKeywordRight(const aKeywordId: string): Boolean;
  Move the specific keyword right in the hierarchy.
• function SetKeywordCaption(const aKeywordId: string; const sNewCaption: string): string;
  Defines the specific keyword' caption.

Var HndKeywordsMeta

Access to topics meta data

Type THndLibraryItemAttachMode

Specify how the moved library item will be attached: - hlamAdd: Adds a node at the same level as the existing node and makes the new node last. - hlamAddFirst: Adds a node at the same level as the existing node and makes the new node first. - hlamAddChild: Adds a child node to the existing node and makes the new node last. - hlamAddChildFirst: Adds a child node to the existing node and makes the new node first. - hlamInsert: Inserts a node at the same level just before the existing node.

• hlamAdd
• hlamAddFirst
• hlamAddChild
• hlamAddChildFirst
• hlamInsert

Type THndLibraryItemsInfo

Minimal library item information. Used by the THndLibraryItemsInfoArray

• Id: string;
• Caption: string;
• Extension: string;
• Kind: Integer;
• Source: Integer;

Type THndLibraryItemsInfoArray

Array of minimal library item information

Var HndLibraryItems

Properties and methods for library items

• function CreateItem: string;
  Creates a new unspecified item to the library.
• function DeleteItem(const anItemId: string): Boolean;
  Delete a specific library item.
• function GetItemByCaption(const aCaption: string): string;
  Returns the item with the given caption.
• function GetItemCaption(const anItemId: string): string;
  Gets the caption of a specific item.
• function GetItemContent(const anItemId: string): TMemoryStream;
  Get the content of the item as a stream. Caller must free the stream after using it.
• function GetItemContentAsText(const anItemId: string): string;
  Get the content of an item as a text.
• function GetItemContentChecksum(const anItemId: string): string;
  Returns the checksum (MD5) of a library item content. Useful for comparison purposes.
• function GetItemExtension(const anItemId: string): string;
  Get the item's file extension.
• function GetItemIsLocked(const anItemId: string; out aLockUser: string; out aLockDateTime: TDateTime): Boolean;
  Returns True if a library item is locked, as well as lock data
• function GetItemKind(const anItemId: string): Integer;
  Gets the kind of the specific item (1 => picture, 2 => movie, 3 => document, 4 => system variable, 5 => variable, 6 => HTML, 7 => snippet, 8 => folder, 9 => image map, 10 => bar code, 11 => counter).
• function GetItemList(const aIncludingKinds: array of Integer): THndLibraryItemsInfoArray;
  Returns a list of items filtered by aIncludingKinds. For example GetItemList([1,2]) lists only images and movies. Leave blank to list everything.
• function GetItemParent(const anItemId: string): string;
  Returns the parent item of a specific item.
• function GetItemSource(const anItemId: string): Integer;
  Gets the source of a specific library item (1 => included, 2 => external file, 3 => URL).
• function GetItemSourceContent(const anItemId: string): TMemoryStream;
  Get the source content of the item as a stream. Caller must free the stream after using it.
• function GetItemSourceContentChecksum(const anItemId: string): string;
  Returns the checksum (MD5) of a library item's source content. Useful for comparison purposes.
• function GetItemsWithSameContent(const anItemId: string; const aFilteredItems: array of string): THndLibraryItemsInfoArray;
  Returns the items with the same content as the specified one.
• function GetItemUrlFile(const anItemId: string): string;
  Gets the URL File of a specified library item.
• function GetItemUrlFileAbsolute(const anItemId: string): string;
  Gets the URL of a specified library item: use project path if relative.
• function GetItemUrlLink(const anItemId: string): string;
  Gets the URL Link of a specified library item.
• function GetProjectItem: string;
  Returns the root project library item.
• function MoveItem(const anItemId: string; const aReferencedItemId: string; const oAttachMode: THndLibraryItemAttachMode): Boolean;
  Move the library item to a new position in reference to aReferencedItemId.
• function SetItemCaption(const anItemId: string; const aCaption: string): string;
  Sets the caption of a specific item.
• function SetItemContent(const anItemId: string; const aContent: TStream): Boolean;
  Sets the content stream of a specified item.
• function SetItemContentFromBytes(const anItemId: string; const aContent: TBytes): Boolean;
  Sets the content of the item from an array of Bytes.
• function SetItemContentFromFile(const anItemId: string; const aContentFile: string): Boolean;
  Set the content of the item from an existing file.
• function SetItemContentFromText(const anItemId: string; const aContentText: string): Boolean;
  Sets the content as text of a specific item.
• function SetItemExtension(const anItemId: string; const anExtension: string): Boolean;
  Set the item's file extension.
• function SetItemKind(const anItemId: string; const aKind: Integer): Boolean;
  Sets the kind of a specific item. See GetItemKind for kind value
• function SetItemSource(const anItemId: string; const aSource: Integer): Boolean;
  Sets the source of a specific library item (1 => included, 2 => external file, 3 => URL).
• function SetItemSourceContent(const anItemId: string; const aContent: TStream): Boolean;
  Sets the source content stream of a specified item.
• function SetItemUrlFile(const anItemId: string; const anUrlFile: string): Boolean;
  Sets the URL File of a specified library item.
• function SetItemUrlLink(const anItemId: string; const anUrlLink: string): Boolean;
  Sets the URL Link of a specified library item.

Var HndLibraryItemsEx

Additional properties and methods for library items

• function FilterCaptionString(const aCaption: string): string;
• function GetItemContentGraphic(const anItemId: string; anEditorDisplayWidth: Integer = 0; anEditorDisplayHeight: Integer = 0): TGraphic;
• function SetItemContentGraphic(const anItemId: string; const aGraphic: TGraphic): Boolean;
• procedure SetVariableValueByName(const aVariableName: string; const aVariableValue: string);

Var HndLibraryItemsMeta

Access to library items meta data

Type THndProjectSettings

Various project settings

• Title: string;
• Author: string;
• DefaultTopic: string;
• Version: string;
• Copyright: string;
• Summary: string;
• Comment: string;
• Language: Integer;
• Charset: Integer;

Var HndProjects

Properties and methods for projects

• function BackupProject(const aBackupLocation: string): Boolean;
  Backup the project to the specified location
• procedure CloseProject;
  Closes the currently opened project.
• function CopyProject(const aNewProjectName: string; const OpenNewOne: Boolean): Boolean;
  Copy the project to a new location and open the new one if needed.
• function DeleteProject: Boolean;
  Physically delete the currently opened project.
• function GetProjectAuthor: string;
  Returns the author of the project.
• function GetProjectBusy: Boolean;
  Project is currently busy: creating, loading or closing.
• function GetProjectCharset: Integer;
  Returns the project current charset.
• function GetProjectCharsetAsHtml: string;
  Returns the project current charset as HTML charset value.
• function GetProjectClosing: Boolean;
  Project is currently closing.
• function GetProjectComment: string;
  Return the current project's comment.
• function GetProjectCopyright: string;
  Returns the project copyright.
• function GetProjectCreating: Boolean;
  Project is currently being created.
• function GetProjectCssContent: string;
  Returns the CSS content of the current project. Can only be returned when generating an HTML related format.
• function GetProjectDefaultTopic: string;
  Returns the Id of the default topic.
• function GetProjectId: string;
  Returns the currently open project id.
• function GetProjectIsOpen: Boolean;
  Returns True if a project is open.
• function GetProjectLanguage: Integer;
  Returns the project current language as a Local ID (LCID).
• function GetProjectLanguageCode: string;
  Returns the project language code (eg: en-us)
• function GetProjectLanguageCodeAsHtml(const ShortFormat: Boolean): string;
  Returns the project language code as HTML (eg: en)
• function GetProjectModified: Boolean;
  Indicates whether or no the current project has been modified since last save.
• function GetProjectName: string;
  Returns the current project name (or file name).
• function GetProjectNeverSaved: Boolean;
  Indicates whether the project as already been saved or not.
• function GetProjectOpenning: Boolean;
  Returns True if the project is currently opening.
• function GetProjectSummary: string;
  Returns the project summary.
• function GetProjectTitle: string;
  Gets the title of the specified project.
• function GetProjectVersion: string;
  Return the current project's version number.
• function ImportTableOfContentsForProject(const aOtherProjectName: string): string;
  Import the table of contents of another proejct
• function LockResource(const aResourceType: HndResourceType; const aResourceId: string; const doForceLock: Boolean): Boolean;
  Lock a specific resource
• function MoveProject(const aNewProjectName: string): Boolean;
  Move the project to a new location.
• function NewProject(const aProjectName: string = ''): string;
  Creates a new project and returns its unique id.
• function OpenProject(const aProjectName: string; const doApplyMigrations: Boolean): string;
  Open an existing project and returns its unique id.
• procedure SaveProject;
  Saves the project to a file.
• procedure SetProjectAuthor(const anAuthor: string);
  Defines the project author.
• procedure SetProjectCharset(const aCharSet: Integer);
  Defines the project charset.
• procedure SetProjectComment(const aComment: string);
  Set the current project comment.
• procedure SetProjectCopyright(const aCopyrightValue: string);
  Defines the project copyright.
• function SetProjectDefaultTopic(const aDefaultTopic: string): string;
  Defines the project's default topic.
• procedure SetProjectLanguage(const aLanguage: Integer);
  Defines the project language.
• procedure SetProjectModified(const IsModified: Boolean);
  Mark the current project as being modified since last save.
• procedure SetProjectNeverSaved(const IsProjectNeverSaved: Boolean);
  Mark the project as being never saved.
• procedure SetProjectSummary(const aSummary: string);
  Set the project summary.
• procedure SetProjectTitle(const aProjectTitle: string);
  Sets the title of the specified project.
• procedure SetProjectVersion(const aProjectVersion: string);
  Sets the version of the current project.
• procedure UnlockResource(const aResourceType: HndResourceType; const aResourceId: string);
  Unlock a specific resource
• function VacuumProject: Boolean;
  Clean the project and lower its file size by removing unneeded information.

Var HndProjectsEx

Additional properties and methods for projects.

• function GetProjectSettings: THndProjectSettings;
• procedure SetProjectSettings(const aProjectSettings: THndProjectSettings);

Type THndProjectDateTimeFormat

Date and Time format for a project

• CurrentDateTime: string;
• Date: string;
• DateLong: string;
• Day: string;
• DayLong: string;
• Month: string;
• MonthLong: string;
• Time: string;
• TimeLong: string;
• Year: string;
• YearLong: string;

Var HndProjectsMeta

Access to project meta data

Var HndProjectsMetaEx

Additional methods to access project meta data

• function GetProjectDateTimeFormat: THndProjectDateTimeFormat;
  Returns project date / time formats
• procedure SetProjectDateTimeFormat(const aDateTimeFormat: THndProjectDateTimeFormat);
  Set project date / time formats

Var HndSecrets

Properties and methods for Secrets

• procedure DeleteSecret(const aKey: string);
  Delete a secret and its value
• function GetSecret(const aKey: string; const aPassword: string = ''): string;
  Get a secret's value. Value will be decrypted using the password specified, or HelpNDoc's internal password. Returns an empty string is the password is incorrect
• procedure SetSecret(const aKey: string; const aValue: string; const aPassword: string = '');
  Set a secret value. Value will be encrypted using the password specified, or HelpNDoc's internal password (less secured)

Type THndStatusInfo

Information about a specific status

• Id: string;
• Caption: string;
• Color: TColor;
• Order: Integer;

Type THndStatusInfoArray

Array of THndStatusInfo

Var HndStatus

Properties and methods for Statuses

• function CreateStatus: string;
  Create a new status
• procedure DeleteAllStatus;
  Delete all statuses
• function DeleteStatus(const aStatusId: string): Boolean;
  Delete a specific status
• function GetStatusByCaption(const aCaption: string): string;
  Returns a status ID based on its caption
• function GetStatusCaption(const aStatusId: string): string;
  Get the caption of a status
• function GetStatusColor(const aStatusId: string): TColor;
  Get the color of a status
• function GetStatusCount: Integer;
  Return the number of available statuses.
• function GetStatusExists(const aStatusId: string): Boolean;
  Returns true is a specific status exists.
• function GetStatusFirst: string;
  Returns the first status in the statuses list.
• function GetStatusList: THndStatusInfoArray;
  Get a list of statuses.
• function GetStatusNext(const aStatusId: string): string;
  Get the next status.
• function GetStatusOrder(const aStatusId: string): Integer;
  Returns the order of a specific status.
• function GetStatusPrevious(const aStatusId: string): string;
  Returns the previous status.
• procedure MoveStatusAfter(const aStatusId: string; const aAfterStatusId: string);
  Move a status after another one.
• procedure MoveStatusBefore(const aStatusId: string; const aBeforeStatusId: string);
  Move a status before another one.
• procedure MoveStatusFirst(const aStatusId: string);
  Move the status first in the list.
• procedure MoveStatusLast(const aStatusId: string);
  Move the status last in the list.
• procedure SetStatusCaption(const aStatusId: string; const aCaption: string);
  Set the caption of a status.
• procedure SetStatusColor(const aStatusId: string; const aColor: TColor);
  Set the color of a status.

Var HndTags

Properties and methods for Tags

• function CreateTag(aTagName: string): string;
  Create a new tag. Returns the created tag name.
• procedure DeleteAllCustomTags;
  Delete all custom tags for the current project.
• procedure DeleteCustomTag(aTagName: string);
  Delete a specific custom tag.
• function GetTagCount(const doIncludeSystemTags: Boolean): Integer;
  Returns the number of tags, including or not system tags.
• function GetTagListAll: TStringList;
  Returns a list of all system and custom tags.
• function GetTagListCustom: TStringList;
  Get a list of custom tags.
• function GetTagListSystem: TStringList;
  Get a list of system tags.
• function IsSystemTag(aTagName: string): Boolean;
  Returns True if the specified tag is a system tag

Var HndTemplates

Properties and methods for Templates

• function GetDefaultTemplateFor(const aTemplateKind: string): THndTemplateInfo;
  Get the default template info for the specified kind.
• function GetTemplateCategoryHierarchy: THndTemplateHierarchyArray;
  Returns the full category hierarchy of available templates.
• function GetTemplateFromName(const aTemplateName: string; const aTemplateKind: string): THndTemplateInfo;
  Returns a specific template based on its name and kind.
• function GetTemplateList: THndTemplateInfoArray;
  Returns a list of available templates on specified kind, or all kinds if none specified.
• procedure UpdateTemplateList;
  Retrieves the templates from the hard drive.

Var HndTemplatesEx

Additional properties and methods for Templates

• function CopyAndMergeTemplateToFolder(const aTemplateInfo: THndTemplateInfo; const aFolder: string): Boolean;
  Copy the template to the specific folder, merging its info file with existing template in that folder.
• function GetTemplateInfoFromPath(const aTemplatePath: string): THndTemplateInfo;
  Get template info from its path.
• function GetTemplateKindFromPath(const aTemplatePath: string): string;
  Returns the kind of template available at the specified path.
• function GetTemplateRawNameFromPath(aTemplatePath: string): string;
  Returns the template directory name from path.

Type THndTopicsAttachMode

Specify how the moved topic will be attached: - htamAdd: Adds a node at the same level as the existing node and makes the new node last. - htamAddFirst: Adds a node at the same level as the existing node and makes the new node first. - htamAddChild: Adds a child node to the existing node and makes the new node last. - htamAddChildFirst: Adds a child node to the existing node and makes the new node first. - htamInsert: Inserts a node at the same level just before the existing node.

• htamAdd
• htamAddFirst
• htamAddChild
• htamAddChildFirst
• htamInsert

Var HndTopics

Create, edit and manage topics within the current project.

• procedure CopyTopicToClipboard(const aTopicId: string; const isCut: Boolean);
  Copy the specified topic to clipboard.
• procedure CreateMultipleTopics(const aTopicList: TStrings; const aParentTopic: string = ''; const aGeneratedIds: TStrings = nil);
  Creates multiple child topics of the specified parent based on a tabular lists.
• function CreateTopic: string;
  Create a new topic. The topic will be placed at the bottom of the topic list.
• procedure DeleteAllTopics;
  Delete all the topics in the project, except the parent topic.
• function DeleteTopic(const aTopicId: string): Boolean;
  Delete a specific topic and its children. Project topic can't be deleted.
• function GenerateUniqueHelpContext(const aBaseHelpContext: Integer; const aFilteredTopics: array of string): Integer;
  Generates a unique help context among all the topics except the filtered ones.
• function GenerateUniqueHelpId(const aBaseHelpId: string; const aFilteredTopics: array of string): string;
  Generates a unique help id among all the topics except the filtered ones.
• function GetCurrentTopic: string;
  Returns the ID of the currently edited topic.
• function GetProjectTopic: string;
  Returns the root project topic.
• function GetTopicCaption(const aTopicId: string): string;
  Get the caption of a specific topic.
• function GetTopicContent(const aTopicId: string): TMemoryStream;
  Returns the content of the specified topic.
• function GetTopicContentChecksum(const aTopicId: string): string;
  Returns the checksum (MD5) of a topic's content. Useful for comparison purposes.
• function GetTopicContentAsHtml(const aTopicId: string): string;
  Get the topic's content as HTML. Only available when generating an HTML related documentation.
• function GetTopicCount: Integer;
  Returns the number of topics available in the current project.
• function GetTopicCreationDateTime(const aTopicId: string): TDateTime;
  Returns the date and time when the topics was created.
• function GetTopicDescription(const aTopicId: string): string;
  Returns the description of the topic
• function GetTopicDirectChildrenCount(const aParentId: string): Integer;
  Returns the number of direct children a topic has.
• function GetTopicDirectChildrenList(const aParentId: string): THndTopicsInfoArray;
  Returns a list of direct children of the specified topic.
• function GetTopicFirst: string;
  Returns the first topic in the project.
• function GetTopicFooterKind(const aTopicId: string): Integer;
  Returns the topic's kind of footer text: normal, custom, hidden.
• function GetTopicFooterText(const aTopicId: string): string;
  Returns the custom topic footer text.
• function GetTopicFooterTextCalculated(const aTopicId: string): string;
  Returns the footer text based on the header kind: project caption, custom text or empty text for hidden footer.
• function GetTopicHeaderKind(const aTopicId: string): Integer;
  Returns the topic's kind of header text: normal, custom, hidden.
• function GetTopicHeaderText(const aTopicId: string): string;
  Returns the custom topic header text.
• function GetTopicHeaderTextCalculated(const aTopicId: string): string;
  Returns the header text based on the header kind: topic title, custom text or empty text for hidden header.
• function GetTopicHelpContext(const aTopicId: string): Integer;
  Get a specific topic's help context.
• function GetTopicHelpId(const aTopicId: string): string;
  Get a specific topic's help id.
• function GetTopicIconIndex(const aTopicId: string): Integer;
  Get the icon index for a specific topic.
• function GetTopicIndex(const aTopicId: string; const isZeroBased: Boolean): Integer;
  Returns the index of the topic from its parent.
• function GetTopicIndexHierarchy(const aTopicId: string; const isZeroBased: Boolean): THndIntegerArray;
  Returns an array representing the topic's index hierarchy. Ex: [1,0,3,4] for 1.0.3.4.
• function GetTopicIsLocked(const aTopicId: string; out aLockUser: string; out aLockDateTime: TDateTime): Boolean;
  Returns True if a topic is locked, as well as lock data
• function GetTopicKind(const aTopicId: string): Integer;
  Returns the kind of the specific topic (0: normal; 1: empty; 2: Link to URL; 3: Link to file).
• function GetTopicLast: string;
  Returns the last topic in the project.
• function GetTopicLevel(const aTopicId: string): Integer;
  Returns the level of the specified topic.
• function GetTopicList(const aIncludingProjectTopic: Boolean): THndTopicsInfoArray;
  Returns a list of topics and their associated ID as object.
• function GetTopicListWithCaption(const aCaption: string; const isPartialCaption: Boolean): THndTopicsInfoArray;
  Returns a list of topics with a specific caption.
• function GetTopicModificationDateTime(const aTopicId: string): TDateTime;
  Returns the date and time when the topic was last modified.
• function GetTopicNext(const aTopicId: string): string;
  Get the next topic in line. Could be a child or a sibling topic.
• function GetTopicNextSibbling(const aTopicId: string): string;
  Get the next sibling topic.
• function GetTopicOrder(const aTopicId: string): Integer;
  Returns the order of the topic based on sibling topics.
• function GetTopicParent(const aTopicId: string): string;
  Returns the parent topic of a topic.
• function GetTopicPrevious(const aTopicId: string): string;
  Returns a list of topics and their associated ID as object.
• function GetTopicPreviousSibbling(const aTopicId: string): string;
  Get the previous sibling topic.
• function GetTopicStatusId(const aTopicId: string): string;
  Get the status id of a topic
• function GetTopicUrlFile(const aTopicId: string): string;
  Returns the topic's URL file property.
• function GetTopicUrlLink(const aTopicId: string): string;
  Returns the topic's URL link property.
• function GetTopicVisibility(const aTopicId: string): integer;
  Returns the topic's visibility.
• function MoveTopic(const aTopicId: string; const aReferencedTopicId: string; const oAttachMode: THndTopicsAttachMode): Boolean;
  Move the topic to a new position in reference to nReferencedTopicsId.
• function MoveTopicDown(const aTopicId: string): Boolean;
  Move the specific topic bellow the next sibling.
• function MoveTopicLeft(const aTopicId: string): Boolean;
  Move the specific topic left in the hierarchy.
• function MoveTopicRight(const aTopicId: string): Boolean;
  Move the specific topic right in the hierarchy.
• function MoveTopicUp(const aTopicId: string): Boolean;
  Move the specific topic above the previous sibling.
• procedure PasteTopicFromClipboard(aParentId: string);
  Paste the topic from clipboard as a child of the parent specified or as a child of the project topic.
• function SetCurrentTopic(const aTopicId: string): Boolean;
  Defines the currently selected topic.
• procedure SetTopicCaption(const aTopicId: string; const sNewCaption: string);
  Defines the specific topic's caption.
• procedure SetTopicContent(const aTopicId: string; const aContentStream: TStream);
  Set the topic's content.
• procedure SetTopicDescription(const aTopicId: string; const aDescription: string);
  Set the topic's description.
• procedure SetTopicFooterKind(const aTopicId: string; const aFooterKind: Integer);
  Sets the topic footer kind.
• function SetTopicFooterText(const aTopicId: string; const aFooterText: string): string;
  Sets the custom text for the topic footer.
• procedure SetTopicHeaderKind(const aTopicId: string; const anHeaderKind: Integer);
  Sets the topic header kind.
• function SetTopicHeaderText(const aTopicId: string; const anHeaderText: string): string;
  Sets the custom text for the topic header.
• function SetTopicHelpContext(const aTopicId: string; const aHelpContext: Integer): Integer;
  Set a specific topic's help context. Returns the corrected context.
• function SetTopicHelpId(const aTopicId: string; const aHelpId: string): string;
  Set a specific topic's help id. Returns the corrected string.
• procedure SetTopicIconIndex(const aTopicId: string; const nIconIndex: Integer);
  Set the icon index of a specific topic.
• function SetTopicKind(const aTopicId: string; const aNewKind: Integer): Integer;
  Set the topic kind (0: normal; 1: empty; 2: Link to URL; 3: Link to file)
• procedure SetTopicStatusId(const aTopicId: string; const aStatusId: string);
  Set the topic status ID
• procedure SetTopicUrlFile(const aTopicId: string; const anUrlFile: string);
  Set the topic's URL file.
• procedure SetTopicUrlLink(const aTopicId: string; const anUrlLink: string);
  Set the topic's URL link.
• procedure SetTopicVisibility(const aTopicId: string; const aVisibility: Integer);
  Set the visibility for the topic

Var HndTopicsEx

Additional properties and methods for Topics

• function FindTopicWithHelpContext(const aHelpContext: Integer): string;
  Returns the topic with the specific Help Context.
• function FindTopicWithHelpId(const aHelpId: string): string;
  Returns the topic with the specific Help Id.
• function GetTopicCaptionHierarchy(const aTopicId: string; const aIncludingProjectTopic: Boolean): TStringDynArray;
  Returns the captions of all parent topics of the specified topic
• function GetTopicDirectChildrenCountGenerated(const aParentId: string; const doExcludeHiddenInToc: Boolean): Integer;
  Returns the number of direct generated children a topic has.
• function GetTopicDirectChildrenListGenerated(const aParentId: string; const doExcludeHiddenInToc: Boolean): THndTopicsInfoArray;
  Returns a list of direct generated children of the specified topic.
• function GetTopicIndexGenerated(const aTopicId: string; const isZeroBased: Boolean; const doExcludeHiddenInToc: Boolean): Integer;
  Returns the index of the topic from its parent. Considering only generated topics.
• function GetTopicIndexHierarchyGenerated(const aTopicId: string; const isZeroBased: Boolean; const doExcludeHiddenInToc: Boolean): THndIntegerArray;
  Returns an array representing the topic's index hierarchy. Ex: [1,0,3,4] for 1.0.3.4. Considering only generated topics
• function GetTopicIsGenerated(const aTopicId: string; const doExcludeHiddenInToc: Boolean; const doCheckParentVisibilityToo: Boolean): Boolean;
  Returns True if a topic is generated: visible and exported in current build.
• function GetTopicIsGeneratedForBuild(const aTopicId: string; const aBuildId: string; const doExcludeHiddenInToc: Boolean; const doCheckParentVisibilityToo: Boolean): Boolean;
  Returns True if a topic is generated for a specific build: visible and exported in that build.
• function GetTopicListGenerated(const doExcludeHiddenInToc: Boolean; const aIncludingProjectTopic: Boolean): THndTopicsInfoArray;
  Returns a list of generated topics and their associated ID as object.
• function GetTopicNextGenerated(const aTopicId: string; const doExcludeHiddenInToc: Boolean): string;
  Returns the next generated topic.
• function GetTopicNextSibblingGenerated(const aTopicId: string; const doExcludeHiddenInToc: Boolean): string;
  Returns the next generated sibling topic.
• function GetTopicPreviousGenerated(const aTopicId: string; const doExcludeHiddenInToc: Boolean): string;
  Returns the previous generated topic.
• function GetTopicPreviousSibblingGenerated(const aTopicId: string; const doExcludeHiddenInToc: Boolean): string;
  Returns the previous generated sibling topic.
• procedure SynchronizeAllHelpIds;
  Overwrite all topic's help Ids based on caption.

Var HndTopicsKeywords

Handle relationship between topics and keywords

• function AreTopicAndKeywordAssociated(const aTopicId: string; const aKeywordId: string): Boolean;
  Indicates whether the specified topic and keyword are associated.
• function AssociateTopicWithKeyword(const aTopicId: string; const aKeywordId: string): Boolean;
  Link a specific topic to a specific keyword.
• function DissociateKeywordFromAllTopics(const aKeywordId: string): Boolean;
  Check all topics and if they are associated with this keyword, dissociate them.
• function DissociateTopicFromAllKeywords(const aTopicId: string): Boolean;
  Check all keywords and if they are associated with this topic, dissociate them.
• function DissociateTopicFromKeyword(const aTopicId: string; const aKeywordId: string): Boolean;
  Remove the association between the specified topic and keyword.
• function GetKeywordsAssociatedWithTopic(const aTopicId: string): TStringDynArray;
  Get a list of keyword Ids associated with a specific topic.
• function GetTopicsAssociatedWithKeyword(const aKeywordId: string): TStringDynArray;
  Get a list of topic Ids associated with a specific keyword.

Var HndTopicsKeywordsEx

Additional properties and methods to handle relationship between topics and keywords

• function GetGeneratedTopicsAssociatedWithKeyword(const aKeywordId: string): TStringDynArray;
  Get a list of generated topic Ids associated with a specific keyword.

Var HndTopicsMeta

Access to topics meta data

Type THndTopicsPropertyInfo

Information about a specific property

• key: string;
• value: string;
• topicid: string;

Type THndTopicsPropertyInfoArray

Array of THndTopicsPropertyInfo

Var HndTopicsProperties

Handle relationship between topics and properties

• procedure DeleteAllTopicCustomProperties(const aTopicId: string);
  Delete all custom properties for a specific topic
• procedure DeleteTopicCustomProperty(const aTopicId: string; const aCustomPropertyName: string);
  Delete a custom property for a specific topic
• function GetTopicCustomPropertiesList(const aTopicId: string): THndTopicsPropertyInfoArray;
  Returns a list of custom properties for this topic
• function GetTopicCustomPropertyExists(const aTopicId: string; const aCustomPropertyName: string): Boolean;
  Returns true if a custom property with that name exists
• function GetTopicCustomPropertyValue(const aTopicId: string; const aCustomPropertyName: string): string;
  Returns the value of a custom property
• function RenameTopicCustomProperty(const aTopicId: string; const aOldCustomPropertyName: string; const aNewCustomPropertyName: string): Boolean;
  Rename a custom property
• procedure SetTopicCustomPropertyValue(const aTopicId: string; const aCustomPropertyName: string; const aValue: string);
  Set the value of a custom property

Var HndTopicsTags

Handle relationship between topics and tags

• function AreTopicAndTagAssociated(const aTopicId: string; const aTagName: string): Boolean;
  Indicates whether the specified topic and tag are associated.
• function AssociateTopicWithTag(const aTopicId: string; const aTagName: string): Boolean;
  Link a specific topic to a specific Tag.
• procedure DissociateAllForTag(const aTagName: string);
  Remove any association with the specified tag.
• procedure DissociateAllForTopic(const aTopicId: string);
  Remove any association with the specified topics.
• function DissociateTopicFromTag(const aTopicId: string; const aTagName: string): Boolean;
  Remove the association between the specified topic and tag.
• function GetTagsAssociatedWithTopic(const aTopicId: string): TStringDynArray;
  Get a list of tag Ids associated with a specific topic.
• function GetTopicsAssociatedWithTag(const aTagName: string): TStringDynArray;
  Get a list of topic Ids associated with a specific tag.

Type TUIControlType

Reference to a specific UI control: uiMainForm, uiTreeToc, uiTreeKeywords, uiTreeLibrary, uiTopicEditor

Type THndSelectedExecMethod

Method run for each selected node. Return True to break the loop: function(aSelectedId: string): Boolean;

Var HndUI

Methods and properties of HelpNDoc's user interface.

• procedure CancelEditTree(aTree: TUIControlType);
  Cancel any edition being done on one of the trees (toc, library, keywords)
• function EditSnippetContent(const aSnippetId: string; const aSelStart: Integer; const aSelLength: Integer; const aLinearPos: Integer): Boolean;
  Show the snippet content editor. Return true if edit was successful. If selection arguments are defined: selection is performed
• procedure FocusFirstTopic(const doExpandAll: Boolean);
  Focus the first topic, right after the project topic
• procedure ForEachSelectedKeywordDo(aSelectedExecMethod: THndSelectedExecMethod);
  Call the specified method for each keyword selected in the keywords tree
• procedure ForEachSelectedLibraryItemDo(aSelectedExecMethod: THndSelectedExecMethod);
  Call the specified method for each library item selected in the library tree
• procedure ForEachSelectedTopicDo(aSelectedExecMethod: THndSelectedExecMethod);
  Call the specified method for each topic selected in the table of contents tree
• function GetControl(const aControlType: TUIControlType): TObject;
  Returns a specific UI control
• function GetCurrentControl: TObject;
  Returns the currently active control
• function GetCurrentFrame: TObject;
  Returns the currently visible frame in the UI (e.g. topic editor, topic options...)
• function GetCurrentKeyword: string;
  Returns the currently selected keyword in the UI.
• function GetCurrentLibraryItemId: string;
  Returns the currently selected library item in the UI.
• function GetCurrentTopic: string;
  Returns the currently selected topic in the UI.
• function GetTopicEditorObject: TObject;
  Returns the topic editor object, which can be manipulated using HndEditor methods.
• procedure SaveCurrentFrame();
  Save the currently edited content to project file
• function SetCurrentKeyword(const aKeywordId: string): Boolean;
  Select the specified keyword in the UI.
• function SetCurrentTopic(const aTopicId: string): Boolean;
  Select the specified topic in the UI.
• procedure SetCurrentTopicAndPlaceCursor(const aTopicId: string; aLinearPos: Integer);
  Select the specified topic in the UI and place the cursor where specified.
• procedure SetCurrentTopicAndSelect(const aTopicId: string; aSelectionStart: Integer; aSelectionLength: Integer);
  Select the specified topic in the UI and select a specific part of that topic.
• procedure SetCurrentTopicAndShowCheckpoint(const aTopicId: string; const aCheckpointName: string);
  Select the specified topic in the UI and show the checkpoint specified.
• function SetCurrentTopicByHelpContext(const aHelpContext: Integer): Boolean;
  Select the topic with the specified help context
• function SetCurrentTopicByHelpId(const aHelpId: string): Boolean;
  Select the topic with the specified help ID