explicitly invalidate contained ImplListBoxWindow

I've seen this a few times where on being Enabled/Disabled
the list boxes don't redraw to their new state.

I can reproduce this reliably now with the chart wizard and
the "shape" listbox when toggling the 3d-look checkbox

Change-Id: I7a67373f45baeb18763ac4f8027e48b0c039455d

1 files changed, 7 insertions, 0 deletions

diff --git a/vcl/source/control/ilstbox.cxx b/vcl/source/control/ilstbox.cxx
index ae3a58f514a6..0c7aef3e91d4 100644
--- a/vcl/source/control/ilstbox.cxx
+++ b/vcl/source/control/ilstbox.cxx
@@ -2077,6 +2077,11 @@ void ImplListBoxWindow::StateChanged( StateChangedType nType )
         ImplInitSettings( false, false, true );
         Invalidate();
     }
+    else if( nType == STATE_CHANGE_ENABLE )
+    {
+        Invalidate();
+    }
+
     ImplClearLayoutData();
 }
 
@@ -2426,6 +2431,8 @@ void ImplListBox::StateChanged( StateChangedType nType )
         mpHScrollBar->Enable( IsEnabled() );
         mpVScrollBar->Enable( IsEnabled() );
         mpScrollBarBox->Enable( IsEnabled() );
+        maLBWindow.Enable( IsEnabled() );
+
         Invalidate();
     }
     else if ( nType == STATE_CHANGE_ZOOM )