Documented new menu label functions

[wxWidgets.git] / docs / latex / wx / hthlpfrm.tex

diff --git a/docs/latex/wx/hthlpfrm.tex b/docs/latex/wx/hthlpfrm.tex
index 309630c65ac4fb65d93aea3372b05a526538c9bb..2ed5ea453ab6869a3e28bcc91bd36c0e8f8a570c 100644 (file)
--- a/docs/latex/wx/hthlpfrm.tex
+++ b/docs/latex/wx/hthlpfrm.tex
@@ -3,152 +3,371 @@
 % helpfrm.h at 24/Oct/99 18:03:10
 %
 
 % helpfrm.h at 24/Oct/99 18:03:10
 %
 

+\section{\class{wxHtmlHelpDialog}}\label{wxhtmlhelpdialog}
+
+This class is used by \helpref{wxHtmlHelpController}{wxhtmlhelpcontroller} 
+to display help.
+It is an internal class and should not be used directly - except for the case
+when you're writing your own HTML help controller.
+
+\wxheading{Derived from}
+
+\helpref{wxFrame}{wxframe}
+
+\wxheading{Include files}
+
+<wx/html/helpdlg.h>
+
+\wxheading{Library}
+
+\helpref{wxHtml}{librarieslist}
+
+\latexignore{\rtfignore{\wxheading{Members}}}
+
+\membersection{wxHtmlHelpDialog::wxHtmlHelpDialog}\label{wxhtmlhelpdialogwxhtmlhelpdialog}
+
+\func{}{wxHtmlHelpDialog}{\param{wxHtmlHelpData* }{data = NULL}}
+
+\func{}{wxHtmlHelpDialog}{\param{wxWindow* }{parent}, \param{int }{wxWindowID}, \param{const wxString\& }{title = wxEmptyString}, \param{int }{style = wxHF\_DEFAULT\_STYLE}, \param{wxHtmlHelpData* }{data = NULL}}
+
+Constructor. For the values of {\it style}, please see the documentation for \helpref{wxHtmlHelpController}{wxhtmlhelpcontroller}.
+
+\membersection{wxHtmlHelpDialog::AddToolbarButtons}\label{wxhtmlhelpdialogaddtoolbarbuttons}
+
+\func{virtual void}{AddToolbarButtons}{\param{wxToolBar *}{toolBar}, \param{int }{style}} 
+
+You may override this virtual method to add more buttons to the help window's
+toolbar. {\it toolBar} is a pointer to the toolbar and {\it style} is the style
+flag as passed to the Create method.
+
+wxToolBar::Realize is called immediately after returning from this function.
+
+\membersection{wxHtmlHelpDialog::Create}\label{wxhtmlhelpdialogcreate}
+
+\func{bool}{Create}{\param{wxWindow* }{parent}, \param{wxWindowID }{id}, \param{const wxString\& }{title = wxEmptyString}, \param{int }{style = wxHF\_DEFAULT\_STYLE}}
+
+Creates the dialog. See \helpref{the constructor}{wxhtmlhelpdialogwxhtmlhelpdialog}
+for a description of the parameters.
+
+\membersection{wxHtmlHelpDialog::GetController}\label{wxhtmlhelpdialoggetcontroller}
+
+\constfunc{wxHtmlHelpController* }{GetController}{\void} 
+
+Returns the help controller associated with the dialog.
+
+\membersection{wxHtmlHelpDialog::ReadCustomization}\label{wxhtmlhelpdialogreadcustomization}
+
+\func{void}{ReadCustomization}{\param{wxConfigBase* }{cfg}, \param{const wxString\& }{path = wxEmptyString}}
+
+Reads the user's settings for this dialog see \helpref{wxHtmlHelpController::ReadCustomization}{wxhtmlhelpcontrollerreadcustomization})
+
+\membersection{wxHtmlHelpDialog::SetController}\label{wxhtmlhelpdialogsetcontroller}
+
+\func{void}{SetController}{\param{wxHtmlHelpController* }{contoller}} 
+
+Sets the help controller associated with the dialog.
+
+\membersection{wxHtmlHelpDialog::SetTitleFormat}\label{wxhtmlhelpdialogsettitleformat}
+
+\func{void}{SetTitleFormat}{\param{const wxString\& }{format}}
+
+Sets the dialog's title format. {\it format} must contain exactly one "\%s"
+(it will be replaced by the page title).
+
+\membersection{wxHtmlHelpDialog::WriteCustomization}\label{wxhtmlhelpdialogwritecustomization}
+
+\func{void}{WriteCustomization}{\param{wxConfigBase* }{cfg}, \param{const wxString\& }{path = wxEmptyString}}
+
+Saves the user's settings for this dialog (see \helpref{wxHtmlHelpController::WriteCustomization}{wxhtmlhelpcontrollerwritecustomization}).

 
 \section{\class{wxHtmlHelpFrame}}\label{wxhtmlhelpframe}
 
 
 \section{\class{wxHtmlHelpFrame}}\label{wxhtmlhelpframe}
 

-This class is used by \helpref{wxHtmlHelpController}{wxhtmlhelpcontroller}
+This class is used by \helpref{wxHtmlHelpController}{wxhtmlhelpcontroller} 

 to display help.
 to display help.

-It is internal class and should not be used directly - except for the case 
-you're writing your own HTML help controller.
-
+It is an internal class and should not be used directly - except for the case
+when you're writing your own HTML help controller.

 
 \wxheading{Derived from}
 
 \helpref{wxFrame}{wxframe}
 
 
 \wxheading{Derived from}
 
 \helpref{wxFrame}{wxframe}
 

-\latexignore{\rtfignore{\wxheading{Members}}}
+\wxheading{Include files}

 
 

+<wx/html/helpfrm.h>

 
 

+\wxheading{Library}
+
+\helpref{wxHtml}{librarieslist}
+
+\latexignore{\rtfignore{\wxheading{Members}}}

 
 \membersection{wxHtmlHelpFrame::wxHtmlHelpFrame}\label{wxhtmlhelpframewxhtmlhelpframe}
 
 \func{}{wxHtmlHelpFrame}{\param{wxHtmlHelpData* }{data = NULL}}
 
 
 \membersection{wxHtmlHelpFrame::wxHtmlHelpFrame}\label{wxhtmlhelpframewxhtmlhelpframe}
 
 \func{}{wxHtmlHelpFrame}{\param{wxHtmlHelpData* }{data = NULL}}
 

-\func{}{wxHtmlHelpFrame}{\param{wxWindow* }{parent}, \param{int }{wxWindowID}, \param{const wxString\& }{title = wxEmptyString}, \param{int }{style = wxHF\_DEFAULTSTYLE}, \param{wxHtmlHelpData* }{data = NULL}}
+\func{}{wxHtmlHelpFrame}{\param{wxWindow* }{parent}, \param{int }{wxWindowID}, \param{const wxString\& }{title = wxEmptyString}, \param{int }{style = wxHF\_DEFAULT\_STYLE}, \param{wxHtmlHelpData* }{data = NULL}}

 
 

-Constructor.
+Constructor. For the values of {\it style}, please see the documentation for \helpref{wxHtmlHelpController}{wxhtmlhelpcontroller}.

 
 

-{\it style} is combination of these flags:
+\membersection{wxHtmlHelpFrame::AddToolbarButtons}\label{wxhtmlhelpframeaddtoolbarbuttons}

 
 

-\begin{twocollist}
-\twocolitem{\windowstyle{wxHF\_TOOLBAR}}{Help frame has toolbar.}
-\twocolitem{\windowstyle{wxHF\_CONTENTS}}{Help frame has contents panel.}
-\twocolitem{\windowstyle{wxHF\_INDEX}}{Help frame has index panel.}
-\twocolitem{\windowstyle{wxHF\_SEARCH}}{Help frame has search panel.}
-\end{twocollist}
+\func{virtual void}{AddToolbarButtons}{\param{wxToolBar *}{toolBar}, \param{int }{style}} 

 
 

+You may override this virtual method to add more buttons to the help window's
+toolbar. {\it toolBar} is a pointer to the toolbar and {\it style} is the style
+flag as passed to the Create method.
+
+wxToolBar::Realize is called immediately after returning from this function.

 
 \membersection{wxHtmlHelpFrame::Create}\label{wxhtmlhelpframecreate}
 
 
 \membersection{wxHtmlHelpFrame::Create}\label{wxhtmlhelpframecreate}
 

-\func{bool}{Create}{\param{wxWindow* }{parent}, \param{wxWindowID }{id}, \param{const wxString\& }{title = wxEmptyString}, \param{int }{style = wxHF\_DEFAULTSTYLE}}
+\func{bool}{Create}{\param{wxWindow* }{parent}, \param{wxWindowID }{id}, \param{const wxString\& }{title = wxEmptyString}, \param{int }{style = wxHF\_DEFAULT\_STYLE}}
+
+Creates the frame. See \helpref{the constructor}{wxhtmlhelpframewxhtmlhelpframe}
+for a description of the parameters.
+
+\membersection{wxHtmlHelpFrame::GetController}\label{wxhtmlhelpframegetcontroller}
+
+\constfunc{wxHtmlHelpController* }{GetController}{\void} 
+
+Returns the help controller associated with the frame.
+
+\membersection{wxHtmlHelpFrame::ReadCustomization}\label{wxhtmlhelpframereadcustomization}
+
+\func{void}{ReadCustomization}{\param{wxConfigBase* }{cfg}, \param{const wxString\& }{path = wxEmptyString}}
+
+Reads the user's settings for this frame see \helpref{wxHtmlHelpController::ReadCustomization}{wxhtmlhelpcontrollerreadcustomization})
+
+\membersection{wxHtmlHelpFrame::SetController}\label{wxhtmlhelpframesetcontroller}
+
+\func{void}{SetController}{\param{wxHtmlHelpController* }{contoller}} 
+
+Sets the help controller associated with the frame.
+
+\membersection{wxHtmlHelpFrame::SetTitleFormat}\label{wxhtmlhelpframesettitleformat}
+
+\func{void}{SetTitleFormat}{\param{const wxString\& }{format}}
+
+Sets the frame's title format. {\it format} must contain exactly one "\%s"
+(it will be replaced by the page title).
+
+\membersection{wxHtmlHelpFrame::WriteCustomization}\label{wxhtmlhelpframewritecustomization}
+
+\func{void}{WriteCustomization}{\param{wxConfigBase* }{cfg}, \param{const wxString\& }{path = wxEmptyString}}
+
+Saves the user's settings for this frame (see \helpref{wxHtmlHelpController::WriteCustomization}{wxhtmlhelpcontrollerwritecustomization}).

 
 

-Creates the frame.
+\section{\class{wxHtmlHelpWindow}}\label{wxhtmlhelpwindow}

 
 

-{\it style} is combination of these flags:
+This class is used by \helpref{wxHtmlHelpController}{wxhtmlhelpcontroller} 
+to display help within a frame or dialog, but you can use it yourself to create an embedded HTML help window.

 
 

-\begin{twocollist}
-\twocolitem{\windowstyle{wxHF\_TOOLBAR}}{Help frame has toolbar.}
-\twocolitem{\windowstyle{wxHF\_CONTENTS}}{Help frame has contents panel.}
-\twocolitem{\windowstyle{wxHF\_INDEX}}{Help frame has index panel.}
-\twocolitem{\windowstyle{wxHF\_SEARCH}}{Help frame has search panel.}
-\end{twocollist}
+For example:

 
 

+\begin{verbatim}
+    // m_embeddedHelpWindow is a wxHtmlHelpWindow
+    // m_embeddedHtmlHelp is a wxHtmlHelpController

 
 

+    // Create embedded HTML Help window
+    m_embeddedHelpWindow = new wxHtmlHelpWindow;
+    m_embeddedHtmlHelp.UseConfig(config, rootPath); // Set your own config object here
+    m_embeddedHtmlHelp.SetHelpWindow(m_embeddedHelpWindow);    
+    m_embeddedHelpWindow->Create(this,
+        wxID_ANY, wxDefaultPosition, GetClientSize(), wxTAB_TRAVERSAL|wxBORDER_NONE, wxHF_DEFAULT_STYLE);        
+    m_embeddedHtmlHelp.AddBook(wxFileName(_T("doc.zip")));
+\end{verbatim}

 
 

-\membersection{wxHtmlHelpFrame::CreateContents}\label{wxhtmlhelpframecreatecontents}
+You should pass the style wxHF\_EMBEDDED to the style parameter of wxHtmlHelpController to allow
+the embedded window to be destroyed independently of the help controller.

 
 

-\func{void}{CreateContents}{\param{bool }{show\_progress = FALSE}}
+\wxheading{Derived from}
+
+\helpref{wxWindow}{wxwindow}
+
+\wxheading{Include files}
+
+<wx/html/helpwnd.h>
+
+\wxheading{Library}
+
+\helpref{wxHtml}{librarieslist}
+
+\latexignore{\rtfignore{\wxheading{Members}}}
+
+\membersection{wxHtmlHelpWindow::wxHtmlHelpWindow}\label{wxhtmlhelpwindowwxhtmlhelpwindow}
+
+\func{}{wxHtmlHelpWindow}{\param{wxHtmlHelpData* }{data = NULL}}
+
+\func{}{wxHtmlHelpWindow}{\param{wxWindow* }{parent}, \param{int }{wxWindowID}, \param{const wxPoint\&}{ pos = wxDefaultPosition}, \param{const wxSize\&}{ pos = wxDefaultSize}, \param{int }{style = wxTAB\_TRAVERSAL|wxBORDER\_NONE}, \param{int }{helpStyle = wxHF\_DEFAULT\_STYLE}, \param{wxHtmlHelpData* }{data = NULL}}
+
+Constructor.
+
+Constructor. For the values of {\it helpStyle}, please see the documentation for \helpref{wxHtmlHelpController}{wxhtmlhelpcontroller}.
+
+\membersection{wxHtmlHelpWindow::Create}\label{wxhtmlhelpwindowcreate}
+
+\func{bool}{Create}{\param{wxWindow* }{parent}, \param{wxWindowID }{id}, \param{const wxPoint\&}{ pos = wxDefaultPosition}, \param{const wxSize\&}{ pos = wxDefaultSize}, \param{int }{style = wxTAB\_TRAVERSAL|wxBORDER\_NONE}, \param{int }{helpStyle = wxHF\_DEFAULT\_STYLE}, \param{wxHtmlHelpData* }{data = NULL}}
+
+Creates the help window. See \helpref{the constructor}{wxhtmlhelpwindowwxhtmlhelpwindow}
+for a description of the parameters.
+
+\membersection{wxHtmlHelpWindow::CreateContents}\label{wxhtmlhelpwindowcreatecontents}
+
+\func{void}{CreateContents}{\void}

 
 Creates contents panel. (May take some time.)
 
 
 Creates contents panel. (May take some time.)
 

+Protected.

 
 

-\membersection{wxHtmlHelpFrame::CreateIndex}\label{wxhtmlhelpframecreateindex}
+\membersection{wxHtmlHelpWindow::CreateIndex}\label{wxhtmlhelpwindowcreateindex}

 
 

-\func{void}{CreateIndex}{\param{bool }{show\_progress = FALSE}}
+\func{void}{CreateIndex}{\void}

 
 Creates index panel. (May take some time.)
 
 
 Creates index panel. (May take some time.)
 

+Protected.

 
 

-\membersection{wxHtmlHelpFrame::CreateSearch}\label{wxhtmlhelpframecreatesearch}
+\membersection{wxHtmlHelpWindow::CreateSearch}\label{wxhtmlhelpwindowcreatesearch}

 
 \func{void}{CreateSearch}{\void}
 
 Creates search panel.
 
 
 \func{void}{CreateSearch}{\void}
 
 Creates search panel.
 

-
-\membersection{wxHtmlHelpFrame::Display}\label{wxhtmlhelpframedisplay}
+\membersection{wxHtmlHelpWindow::Display}\label{wxhtmlhelpwindowdisplay}

 
 \func{bool}{Display}{\param{const wxString\& }{x}}
 
 \func{bool}{Display}{\param{const int }{id}}
 
 
 \func{bool}{Display}{\param{const wxString\& }{x}}
 
 \func{bool}{Display}{\param{const int }{id}}
 

-Displays page x. If not found it will offect the user a choice of
+Displays page x. If not found it will give the user the choice of

 searching books.
 Looking for the page runs in these steps:
 searching books.
 Looking for the page runs in these steps:

-1. try to locate file named x (if x is for example "doc/howto.htm")
-2. try to open starting page of book x
-3. try to find x in contents (if x is for example "How To ...")
-4. try to find x in index (if x is for example "How To ...")
+
+\begin{enumerate}\itemsep=0pt
+\item try to locate file named x (if x is for example "doc/howto.htm")
+\item try to open starting page of book x
+\item try to find x in contents (if x is for example "How To ...")
+\item try to find x in index (if x is for example "How To ...")
+\end{enumerate}

 
 The second form takes numeric ID as the parameter.
 (uses extension to MS format, <param name="ID" value=id>)
 
 
 The second form takes numeric ID as the parameter.
 (uses extension to MS format, <param name="ID" value=id>)
 

-\membersection{wxHtmlHelpFrame::DisplayContents}\label{wxhtmlhelpframedisplaycontents}
+\pythonnote{The second form of this method is named DisplayId in
+wxPython.}
+
+\membersection{wxHtmlHelpWindow::DisplayContents}\label{wxhtmlhelpwindowdisplaycontents}

 
 \func{bool}{DisplayContents}{\void}
 
 Displays contents panel.
 
 
 \func{bool}{DisplayContents}{\void}
 
 Displays contents panel.
 

-\membersection{wxHtmlHelpFrame::DisplayIndex}\label{wxhtmlhelpframedisplayindex}
+\membersection{wxHtmlHelpWindow::DisplayIndex}\label{wxhtmlhelpwindowdisplayindex}

 
 \func{bool}{DisplayIndex}{\void}
 
 Displays index panel.
 
 
 \func{bool}{DisplayIndex}{\void}
 
 Displays index panel.
 

-
-\membersection{wxHtmlHelpFrame::GetData}\label{wxhtmlhelpframegetdata}
+\membersection{wxHtmlHelpWindow::GetData}\label{wxhtmlhelpwindowgetdata}

 
 \func{wxHtmlHelpData*}{GetData}{\void}
 
 
 \func{wxHtmlHelpData*}{GetData}{\void}
 

-Return wxHtmlHelpData object.
+Returns the wxHtmlHelpData object, which is usually a pointer to the controller's data.

 
 

-\membersection{wxHtmlHelpFrame::KeywordSearch}\label{wxhtmlhelpframekeywordsearch}
+\membersection{wxHtmlHelpWindow::KeywordSearch}\label{wxhtmlhelpwindowkeywordsearch}

 
 

-\func{bool}{KeywordSearch}{\param{const wxString\& }{keyword}}
+\func{bool}{KeywordSearch}{\param{const wxString\& }{keyword}, \param{wxHelpSearchMode }{mode = wxHELP\_SEARCH\_ALL}}

 
 

-Search for given keyword.
+Search for given keyword. Optionally it searches through the index (mode =
+wxHELP\_SEARCH\_INDEX), default the content (mode = wxHELP\_SEARCH\_ALL).

 
 

-
-\membersection{wxHtmlHelpFrame::ReadCustomization}\label{wxhtmlhelpframereadcustomization}
+\membersection{wxHtmlHelpWindow::ReadCustomization}\label{wxhtmlhelpwindowreadcustomization}

 
 \func{void}{ReadCustomization}{\param{wxConfigBase* }{cfg}, \param{const wxString\& }{path = wxEmptyString}}
 
 
 \func{void}{ReadCustomization}{\param{wxConfigBase* }{cfg}, \param{const wxString\& }{path = wxEmptyString}}
 

-Reads user's settings for this frame (see \helpref{wxHtmlHelpController::ReadCustomization}{wxhtmlhelpcontrollerreadcustomization})
+Reads the user's settings for this window (see \helpref{wxHtmlHelpController::ReadCustomization}{wxhtmlhelpcontrollerreadcustomization})

 
 

-\membersection{wxHtmlHelpFrame::RefreshLists}\label{wxhtmlhelpframerefreshlists}
+\membersection{wxHtmlHelpWindow::RefreshLists}\label{wxhtmlhelpwindowrefreshlists}

 
 

-\func{void}{RefreshLists}{\param{bool }{show\_progress = FALSE}}
+\func{void}{RefreshLists}{\void}

 
 

-Refresh all panels. This is neccessary if new book was added.
+Refresh all panels. This is necessary if a new book was added.

 
 

-\membersection{wxHtmlHelpFrame::SetTitleFormat}\label{wxhtmlhelpframesettitleformat}
+Protected.
+
+\membersection{wxHtmlHelpWindow::SetTitleFormat}\label{wxhtmlhelpwindowsettitleformat}

 
 \func{void}{SetTitleFormat}{\param{const wxString\& }{format}}
 
 
 \func{void}{SetTitleFormat}{\param{const wxString\& }{format}}
 

-Sets frame's title format. {\it format} must contain exactly one "\%s"
-(it will be replaced by page's title).
+Sets the frame's title format. {\it format} must contain exactly one "\%s"
+(it will be replaced by the page title).

 
 

-\membersection{wxHtmlHelpFrame::UseConfig}\label{wxhtmlhelpframeuseconfig}
+\membersection{wxHtmlHelpWindow::UseConfig}\label{wxhtmlhelpwindowuseconfig}

 
 \func{void}{UseConfig}{\param{wxConfigBase* }{config}, \param{const wxString\& }{rootpath = wxEmptyString}}
 
 
 \func{void}{UseConfig}{\param{wxConfigBase* }{config}, \param{const wxString\& }{rootpath = wxEmptyString}}
 

-Add books to search choice panel
+Associates a wxConfig object with the help window. It is recommended that you use \helpref{wxHtmlHelpController::UseConfig}{wxhtmlhelpcontrolleruseconfig} instead.

 
 

-
-\membersection{wxHtmlHelpFrame::WriteCustomization}\label{wxhtmlhelpframewritecustomization}
+\membersection{wxHtmlHelpWindow::WriteCustomization}\label{wxhtmlhelpwindowwritecustomization}

 
 \func{void}{WriteCustomization}{\param{wxConfigBase* }{cfg}, \param{const wxString\& }{path = wxEmptyString}}
 
 
 \func{void}{WriteCustomization}{\param{wxConfigBase* }{cfg}, \param{const wxString\& }{path = wxEmptyString}}
 

-Saves user's settings for this frame (see \helpref{wxHtmlHelpController::WriteCustomization}{wxhtmlhelpcontrollerwritecustomization})
+Saves the user's settings for this window(see \helpref{wxHtmlHelpController::WriteCustomization}{wxhtmlhelpcontrollerwritecustomization}).
+
+\membersection{wxHtmlHelpWindow::AddToolbarButtons}\label{wxhtmlhelpwindowaddtoolbarbuttons}
+
+\func{virtual void}{AddToolbarButtons}{\param{wxToolBar *}{toolBar}, \param{int }{style}} 
+
+You may override this virtual method to add more buttons to the help window's
+toolbar. {\it toolBar} is a pointer to the toolbar and {\it style} is the style
+flag as passed to the Create method.
+
+wxToolBar::Realize is called immediately after returning from this function.
+
+See {\it samples/html/helpview} for an example.
+
+\section{\class{wxHtmlModalHelp}}\label{wxhtmlmodalhelp}
+
+This class uses \helpref{wxHtmlHelpController}{wxhtmlhelpcontroller} 
+to display help in a modal dialog. This is useful on platforms such as wxMac
+where if you display help from a modal dialog, the help window must itself be a modal
+dialog.
+
+Create objects of this class on the stack, for example:
+
+\begin{verbatim}
+    // The help can be browsed during the lifetime of this object; when the user quits
+    // the help, program execution will continue.
+    wxHtmlModalHelp help(parent, wxT("help"), wxT("My topic"));
+\end{verbatim}
+
+\wxheading{Derived from}
+
+None
+
+\wxheading{Include files}
+
+<wx/html/helpctrl.h>
+
+\wxheading{Library}
+
+\helpref{wxHtml}{librarieslist}
+
+\latexignore{\rtfignore{\wxheading{Members}}}
+
+\membersection{wxHtmlModalHelp::wxHtmlModalHelp}\label{wxhtmlmodalhelpctor}
+
+\func{}{wxHtmlModalHelp}{\param{wxWindow* }{parent}, \param{const wxString\& }{helpFile}, \param{const wxString\& }{topic = wxEmptyString},
+        \param{int }{style = wxHF\_DEFAULT\_STYLE | wxHF\_DIALOG | wxHF\_MODAL}}
+
+\wxheading{Parameters}
+
+{\it parent} is the parent of the dialog.
+
+{\it helpFile} is the HTML help file to show.
+
+{\it topic} is an optional topic. If this is empty, the help contents will be shown.
+
+{\it style} is a combination of the flags described in the \helpref{wxHtmlHelpController}{wxhtmlhelpcontroller} documentation.