检测外部exe程序弹窗错误，并重启

        //可以放到timer里执行

        private void button2_Click(object sender, EventArgs e)
        {
            
            string mainTitle = System.Configuration.ConfigurationManager.AppSettings["mainTitle"];
            //弹框的class名称可以用Spy++程序来获取
            string mainClassName = System.Configuration.ConfigurationManager.AppSettings["mainClassName"];
            string labelClassName = System.Configuration.ConfigurationManager.AppSettings["labelClassName"];
            string buttonTxt = System.Configuration.ConfigurationManager.AppSettings["buttonTxt"];
            //MessageBox弹框
            var isFind = FindException(mainTitle, mainClassName, labelClassName, buttonTxt);

            if (isFind == false)
            {
                var list = System.Diagnostics.Process.GetProcessesByName("Win.Process");
                var sb1 = new StringBuilder(100);
                foreach (var item in list)
                {
                    GetClassNameW(item.MainWindowHandle, sb1, sb1.Capacity);
                    sb1.Append(",");
                }
                string dynamicName = sb1.ToString().Split('.').Last().Replace(",", "");
                mainClassName = "WindowsForms10.Window.8.app.0." + dynamicName;
                labelClassName = "WindowsForms10.STATIC.app.0." + dynamicName;
                buttonTxt = "退出(&Q)";
                //未捕获异常弹窗
                FindException(mainTitle, mainClassName, labelClassName, buttonTxt);
            }

        }

        /// <summary>
        /// 获取报错弹窗，记录日志，然后重启目标程序
        /// </summary>
        /// <param name="mainTitle"></param>
        /// <param name="mainClassName"></param>
        /// <param name="labelClassName"></param>
        /// <param name="buttonTxt"></param>
        /// <returns></returns>
        private bool FindException(string mainTitle, string mainClassName, string labelClassName, string buttonTxt)
        {


            appWin = FindWindow(mainClassName, mainTitle);
            if (appWin != IntPtr.Zero)
            {
                IntPtr childHwnd = FindWindowEx(appWin, IntPtr.Zero, null, buttonTxt);


                if (childHwnd != IntPtr.Zero)
                {
                    var sb = new StringBuilder(500);

                    var label = FindWindowEx(appWin, IntPtr.Zero, labelClassName, null);
                    if (label != IntPtr.Zero)
                    {
                        GetWindowText(label, sb, sb.Capacity);

                        var log = $"\n{DateTime.Now}\n获取的异常：{ sb.ToString()}\n";
                        richTextBox1.AppendText(log);
                        richTextBox1.ScrollToCaret();

                        System.IO.File.AppendAllText(AppDomain.CurrentDomain.BaseDirectory +"/"+ DateTime.Now.ToString("yyyyMMdd")+ ".txt", log);
                        //SendEmail( $"【{mainTitle}】出现异常：{sb.ToString()}");
                        
                    }
                    SendMessage(childHwnd, BM_CLICK, 0, 0);
                    SendMessage(childHwnd, BM_CLICK, 0, 0);
                    System.Threading.Thread.Sleep(1000);
                    //重启程序
                    System.Diagnostics.Process.Start(_targetExePath);

                }
                return true;
            }
            return false;
        }

[DllImport("user32.dll", EntryPoint = "SendMessageA")]
        private static extern int SendMessage(IntPtr hwnd, uint wMsg, int wParam, int lParam);
  //窗口发送给按钮控件的消息，让按钮执行点击操作，可以模拟按钮点击
        private const int BM_CLICK = 0xF5;
 [DllImport("User32.dll", CharSet = CharSet.Auto)]
        public static extern int GetWindowText(IntPtr hWnd, StringBuilder text, int nMaxCount);
 [DllImport("user32.dll", EntryPoint = "FindWindowEx")]
        private extern static IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string lpszClass, string lpszWindow);
   [DllImport("user32.dll", SetLastError = true)]
        private static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
 //获取窗口类名 
        [DllImport("user32.dll")]
        private static extern int GetClassNameW(IntPtr hWnd, [MarshalAs(UnmanagedType.LPWStr)]StringBuilder lpString, int nMaxCount);

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <startup> 
        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
    </startup>
    <appSettings>
        
        <add key="mainTitle" value="xxx系统"/>
        <add key="mainClassName" value="#32770"/>
        <add key="labelClassName" value="Static"/>
        <add key="buttonTxt" value="确定"/>
        <add key="targetExePath" value="D:\xxx.exe"/>
    </appSettings>
</configuration>

/*

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*/