git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4281
c3d73ce0-8a6f-49c7-b76d-
6d57e0e08775
Adds book (\helpref{.hhp file}{helpformat} - HTML Help Workshop project file) into the list of loaded books.
This must be called at least once before displaying any help.
+{\it book} may be either .hhp file or ZIP archive that contains arbitrary number of .hhp files in
+top-level directory. This ZIP archive must have .zip or .htb extension
+(the latter stands for "HTML book"). In other words, {\tt AddBook("help.zip")} is possible and, in fact,
+recommended way.
+
If {\it show\_wait\_msg} is TRUE then a decorationless window with progress message is displayed.
\membersection{wxHtmlHelpController::Display}\label{wxhtmlhelpcontrollerdisplay}