+\NULL could be specified for page to create an empty page.
+
+
+\membersection{wxTreebook::InsertSubPage}\label{wxtreebookinsertsubpage}
+
+\func{bool}{InsertSubPage}{\param{size\_t }{pagePos}, \param{wxWindow* }{page}, \param{const wxString\& }{text}, \param{bool }{bSelect = false}, \param{int }{imageId = wxNOT\_FOUND}}
+
+Inserts a sub page under the specified page.
+
+\NULL could be specified for page to create an empty page.