INTEGRATION: CWS fwk13 (1.21.156); FILE MERGED

2005/05/02 12:50:41 cd 1.21.156.1: #i47970# Check item pointer before using it

svx/source/tbxctrls/lboxctrl.cxx

@@ -2,9 +2,9 @@
  *
  *  $RCSfile: lboxctrl.cxx,v $
  *
- *  $Revision: 1.21 $
+ *  $Revision: 1.22 $
  *
- *  last change: $Author: vg $ $Date: 2005-02-24 16:55:56 $
+ *  last change: $Author: obo $ $Date: 2005-05-06 09:40:38 $
  *
  *  The Contents of this file are made available subject to the terms of
  *  either of the following licenses
@@ -362,6 +362,8 @@ void SvxUndoRedoControl::StateChanged(
     {
         aUndoRedoList.clear();
 
+        if ( pState && pState->ISA( SfxStringListItem ) )
+        {
             SfxStringListItem &rItem = *(SfxStringListItem *)pState;
             const List* pLst = rItem.GetList();
             DBG_ASSERT( pLst, "no undo actions available" );
@@ -371,6 +373,7 @@ void SvxUndoRedoControl::StateChanged(
                     aUndoRedoList.push_back( rtl::OUString( *(String *)pLst->GetObject( nI )));
             }
         }
+    }
 }
 
 SfxPopupWindow* SvxUndoRedoControl::CreatePopupWindow()