摘要： //拦截Windows消息 protected override void WndProc(ref Message m) { const int WM_SYSCOMMAND = 0x0112; const int SC_CLOSE = 0xF060; if (m.Msg == WM_SYSCOMMAND && (int)m.WParam == SC_CLOSE) { //捕捉关闭窗体消息 Application.ExitThread(); return; } base.WndProc(ref m); } 阅读全文