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Application.remove MessageFilter

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C# 窗口过程消息处理 WndProc

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By IntPtr wParam, IntPtr lParam, Application. AddMessage Filter, Application.remove MessageFilter
| cnblogs.com
在 WinForm 中一般采用重写 WndProc 的方法对窗口或控件接受到的指定消息进行处理 示例：禁止通过关闭按钮或其他发送 WM_CLOSE 消息的途径关闭窗口 protected override void WndProc(ref Message m) { const int WM_CLOSE = 0x0010; if(m.Msg == WM_CLOSE) { // MessageBox.Show("禁止关闭此窗口"); return; } base.WndProc(ref m); } Control 类中还有个 DefWndProc 为默认的窗口过程 WPF 仅本机窗口或 HwndHost 嵌入控件拥有句柄，可通过 HwndSource 添加消息处理 示例：禁止通过关闭按钮或其他发送 WM_CLOSE 消息的途径关闭窗口 HwndSource source = null; protected override void OnSourceInitialized(EventArgs e) { base.OnSourceInitialized(e); IntPtr...
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