Added wxPropertyGridInterface::RemoveProperty()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57254 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/propgrid/propgridpagestate.h

@@ -421,7 +421,7 @@ public:
         Override this member function to add custom behavior on property
         deletion.
     */
-    virtual void DoDelete( wxPGProperty* item );
+    virtual void DoDelete( wxPGProperty* item, bool doDelete = true );
 
     wxSize DoFitColumns( bool allowGridResize = false );