c# winform 让Form窗体上系统自带的红色关闭按钮失效，点击关闭变为最小化
#region 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 // User clicked close button this.WindowState = FormWindowState.Minimized;return;}base.WndProc(ref m);}#endregion黑色头发：http://heisetoufa.iteye.com
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