winforms\Managed\System\WinForms\ToolBarButton.cs (6)
173parent.SendMessage(NativeMethods.TB_ENABLEBUTTON, FindButtonIndex(),
286if ((int)parent.SendMessage(NativeMethods.TB_ISBUTTONINDETERMINATE, FindButtonIndex(), 0) != 0)
335UnsafeNativeMethods.SendMessage(new HandleRef(parent, parent.Handle), NativeMethods.TB_GETRECT, FindButtonIndex(), ref rc);
524int index = FindButtonIndex();
569if ((int)parent.SendMessage(NativeMethods.TB_ISBUTTONCHECKED, FindButtonIndex(), 0) != 0) {
764int index = FindButtonIndex();