added public wxInfoMessageBox() (slightly modified patch 1828235)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@50057 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/function.tex

@@ -169,6 +169,7 @@ the corresponding topic.
 \helpref{wxGetenv}{wxgetenvmacro}\\
 \helpref{wxHandleFatalExceptions}{wxhandlefatalexceptions}\\
 \helpref{wxICON}{wxiconmacro}\\
+\helpref{wxInfoMessageBox}{wxinfomessagebox}\\
 \helpref{wxINTXX\_SWAP\_ALWAYS}{intswapalways}\\
 \helpref{wxINTXX\_SWAP\_ON\_BE}{intswaponbe}\\
 \helpref{wxINTXX\_SWAP\_ON\_LE}{intswaponle}\\
@@ -2355,6 +2356,23 @@ and {\tt choices}, and the client data array must have the
 same length as the choices array.}
 
 
+\membersection{::wxInfoMessageBox}\label{wxinfomessagebox}
+
+\func{void}{wxInfoMessageBox}{\param{wxWindow (}{parent = \NULL}}
+
+Shows a message box with the information about the wxWidgets build used,
+including its version, most important build parameters and the version of the
+underlying GUI toolkit. This is mainly used for diagnostic purposes and can be
+invoked by Ctrl-Alt-middle clicking on any wxWindow which doesn't otherwise
+handle this event.
+
+\newsince{2.9.0}
+
+\wxheading{Include files}
+
+<wx/utils.h>
+
+
 \membersection{::wxIsBusy}\label{wxisbusy}
 
 \func{bool}{wxIsBusy}{\void}