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  • 根据类名和窗口名操作窗体

    /// <summary>
            /// 根据类名和窗口名获取句柄
            /// </summary>
            /// <param name="lpClassName"></param>
            /// <param name="lpWindowName"></param>
            /// <returns></returns>
            [DllImport("user32.dll")]
            public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
            /// <summary>
            /// 给窗口发送消息
            /// </summary>
            /// <param name="hwnd"></param>
            /// <param name="wMsg"></param>
            /// <param name="wParam"></param>
            /// <param name="lParam"></param>
            /// <returns></returns>
    
            [DllImport("user32.dll", EntryPoint = "SendMessage")]
            private static extern int SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);
            private void button1_Click(object sender, EventArgs e)
            {
                IntPtr str = FindWindow("#32770", "CmIDCard");
                SendMessage(str, 0x10, 0, 0);//关闭窗体
            }
    
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  • 原文地址:https://www.cnblogs.com/gaocong/p/5483377.html
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