- Clears the window by filling it with the current background colour. Does not
- cause an erase background event to be generated.
+ Clears the window by filling it with the current background colour.
+
+ Does not cause an erase background event to be generated.
+
+ Notice that this uses wxClientDC to draw on the window and the results
+ of doing it while also drawing on wxPaintDC for this window are
+ undefined. Hence this method shouldn't be used from EVT_PAINT handlers,
+ just use wxDC::Clear() on the wxPaintDC you already use there instead.