/// <summary>
/// 监听手动关闭事件
/// </summary>
/// <param name="msg"></param>
protected override void WndProc(ref Message msg)
{
const int WM_SYSCOMMAND = 0x0112;
const int SC_CLOSE = 0xF060;
if (msg.Msg == WM_SYSCOMMAND && ((int)msg.WParam == SC_CLOSE)) // 点击框架右上关闭按钮时
{
Environment.Exit(0);
}
else{
// close()、windowapi通知该窗体关闭、windowapi强制关闭、异常关闭等事件
}
base.WndProc(ref msg);
}