Function OnSetCheckState

Libraries/PropertyGrid/PropertyTree.h:643–646

   }

   LRESULT OnSetCheckState(UINT /*uMsg*/, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
   {
      return SetCheckState( (HTREEITEM) wParam, (BOOL) lParam );
   }

   LRESULT OnUpdateProperty(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& /*bHandled*/)
   {