X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ca5c6ac3f4ab8778dba270798a6a8acdefc671e0..55420742a101b2963c40694cb879ea3de4fb6bb2:/include/wx/window.h?ds=sidebyside

diff --git a/include/wx/window.h b/include/wx/window.h
index ae32b47368..38c73a5c10 100644
--- a/include/wx/window.h
+++ b/include/wx/window.h
@@ -725,6 +725,9 @@ public:
         // adjust DC for drawing on this window
     virtual void PrepareDC( wxDC & WXUNUSED(dc) ) { }
 
+        // return true if the window contents is double buffered by the system
+    virtual bool IsDoubleBuffered() const { return false; }
+
         // the update region of the window contains the areas which must be
         // repainted by the program
     const wxRegion& GetUpdateRegion() const { return m_updateRegion; }