diff -r 331c22de59dc -r 7222222b05a3 sd/source/ui/unoidl/DrawController.cxx
--- a/sd/source/ui/unoidl/DrawController.cxx	Thu Apr 22 18:47:26 2010 +0200
+++ b/sd/source/ui/unoidl/DrawController.cxx	Wed Apr 28 18:45:33 2010 +0800
@@ -29,6 +29,7 @@
 #include "precompiled_sd.hxx"
 
 #include "DrawController.hxx"
+#include "DrawDocShell.hxx"
 
 #include "DrawSubController.hxx"
 #include "sdpage.hxx"
@@ -54,6 +55,7 @@
 #include <svx/fmshell.hxx>
 #include <vos/mutex.hxx>
 #include <vcl/svapp.hxx>
+#include <boost/shared_ptr.hpp>
 
 using namespace ::std;
 using ::rtl::OUString;
@@ -164,6 +166,16 @@
 		{
 			mbDisposing = true;
 
+            boost::shared_ptr<ViewShell> pViewShell = mpBase->GetMainViewShell();
+            if ( pViewShell )
+            {
+                pViewShell->DeactivateCurrentFunction();
+                DrawDocShell* pDocShell = pViewShell->GetDocSh();
+                if ( pDocShell != NULL )
+                    pDocShell->SetDocShellFunction(0);                 
+            }                                                  
+            pViewShell.reset();
+
             // When the controller has not been detached from its view
             // shell, i.e. mpViewShell is not NULL, then tell PaneManager
             // and ViewShellManager to clear the shell stack.