Send messages to the OSG view Viewer

The handle is passed to osgViewer in the following way: Viewer,
OsgViewer: View. getCamera (). setGraphicsContext (osg: GraphicsContext );
The following method is used to obtain the handle.
This handle is the handle of the MFC CView.

PostMsgToViewer (osgViewer: Viewer * pViewer, unsigned msg, WPARAM wp, LPARAM lp)
{
OsgViewer: ViewerBase: Windows windows;
PViewer-> getViewerBase ()-> getWindows (windows );
(Windows. size () =)
;
OsgViewer: GraphicsWindow * pWin = dynamic_cast <osgViewer: GraphicsWindow *> (windows ());
PostMessage (pWin, msg, wp, lp );
}

Url: http://greatverve.cnblogs.com/p/PostMsgToViewer.html
No environment, and the code may be inaccurate.