avoid passing invalid rect to Refresh(), closes #16819

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@78431 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
wxWidgets · Feb 1, 2015 · d988a94 · d988a94
1 parent e268d56
commit d988a94
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/generic/grid.cpp b/src/generic/grid.cpp
@@ -2114,7 +2114,8 @@ void wxGridWindow::OnFocus(wxFocusEvent& event)
                                             m_owner->GetGridCursorCol());
         const wxRect cursor =
             m_owner->BlockToDeviceRect(cursorCoords, cursorCoords);
-        Refresh(true, &cursor);
+        if (cursor != wxGridNoCellRect)
+            Refresh(true, &cursor);
     }
 
     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )