New Post: ZoomBox - Scrollbars

 private void Button_Click( object sender, RoutedEventArgs e )
    {
      var command = Zoombox.PanDown as RoutedCommand;
      command.Execute( null, myZoombox );
    }

<xctk:PropertyGrid x:Name="_propertyGrid">
         <xctk:PropertyGrid.EditorDefinitions>
            <xctk:EditorTemplateDefinition TargetProperties="Degree">
               <xctk:EditorTemplateDefinition.EditingTemplate>
                  <DataTemplate>
                     <xctk:PropertyGridEditorIntegerUpDown Minimum="0"
                                                           Maximum="360"
                                                           Increment="90"
                                                           Value="{Binding Value}" />
                  </DataTemplate>
               </xctk:EditorTemplateDefinition.EditingTemplate>
            </xctk:EditorTemplateDefinition>
         </xctk:PropertyGrid.EditorDefinitions>
</xctk:PropertyGrid>