+ // some styles can be set without recreating everything (as happens in
+ // SetWindowStyleFlag() which calls wxListMainWindow::DeleteEverything())
+ if ( !(style & ~(wxLC_HRULES | wxLC_VRULES)) )
+ {
+ Refresh();
+ wxWindow::SetWindowStyleFlag(flag);
+ }
+ else
+ {
+ SetWindowStyleFlag( flag );
+ }