Fixed a severe crash bug

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61798 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2009-09-01 13:13:58 +00:00
parent 890defb4f3
commit 9a30da4d1f
2 changed files with 8 additions and 2 deletions
--- a/src/propgrid/propgridiface.cpp
+++ b/src/propgrid/propgridiface.cpp
@@ -217,7 +217,9 @@ wxPGProperty* wxPropertyGridInterface::GetSelection() const
 bool wxPropertyGridInterface::ClearSelection( bool validation )
 {
    bool res = DoClearSelection(validation, wxPG_SEL_DONT_SEND_EVENT);
-    GetPropertyGrid()->Refresh();
+    wxPropertyGrid* pg = GetPropertyGrid();
+    if ( pg )
+        pg->Refresh();
    return res;
 }