Protected Override Void WndProc (Ref Message M) {Base.WndProc (REF M); if (M.MSG == 0x84) {IF (INTPTR) 2 == m.Result) {m.Result = (intptr) 1; }}} // Similar Protected Override Void WndProc (Ref Message M) {Switch (M.MSG) {CASE 0x84: {...}