use wxRenderer::GetCheckBoxSize() instead of doing wrong calculations in wxGridCellBo...

[wxWidgets.git] / src / osx / carbon / dcclient.cpp

diff --git a/src/osx/carbon/dcclient.cpp b/src/osx/carbon/dcclient.cpp
index a943963a68deb78ec336ea467c7f6b7f0b41714f..2ade63d5ccd883b0faa1d24c3238b8fd3f6a831b 100644 (file)
--- a/src/osx/carbon/dcclient.cpp
+++ b/src/osx/carbon/dcclient.cpp
@@ -180,6 +180,7 @@ wxPaintDCImpl::wxPaintDCImpl( wxDC *owner )
 wxPaintDCImpl::wxPaintDCImpl( wxDC *owner, wxWindow *window ) :
     wxWindowDCImpl( owner, window )
 {
+    wxASSERT_MSG( window->MacGetCGContextRef() != NULL, _T("using wxPaintDC without being in a native paint event") );
     wxPoint origin = window->GetClientAreaOrigin() ;
     m_window->GetClientSize( &m_width , &m_height);
     SetDeviceOrigin( origin.x, origin.y );