WinForm重写右上角“关闭”按钮的方法

Created2020-08-27|Updated2026-01-08|devwinform

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仅提供中文版本

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winform右上关闭按钮 
  // 加入想要的逻辑处理
  return;
 }
 base.WndProc(ref msg);
}

链接地址:WinForm判断关闭事件来源于用户点击右上角“关闭”按钮的方法

Author: Broccoli

Link: https://xlx.dev/winform-override-close-button/

Copyright Notice: All articles on this blog are licensed under CC BY-NC-SA 4.0 unless otherwise stated.

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