/// <summary>

        /// 获取窗体的句柄函数

        /// </summary>

        /// <param name="lpClassName">窗口类名</param>

        /// <param name="lpWindowName">窗口标题名</param>

        /// <returns>返回句柄</returns>

        [DllImport("user32.dll", EntryPoint = "FindWindow", SetLastError = true)]

        public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);

        /// <summary>

        /// 窗体的显示控制

        /// </summary>

        /// <param name="hWnd">句柄</param>

        /// <param name="nCmdShow">

        /// HIDE = 0

        /// NORMAL = 1

        /// MAXIMIZE = 3

        /// SHOWNOACTIVATE = 4

        /// SHOW = 5

        /// MINIMIZE = 6

        /// RESTORE = 9

        /// SHOWDEFAULT = 10</param>

        /// <returns></returns>

        [DllImport("user32.dll")]

        private static extern bool ShowWindowAsync(IntPtr hWnd,int nCmdShow);

        /// <summary>

        /// 更改子窗口，弹出窗口或顶级窗口的大小，位置和Z顺序。这些窗口是根据其在屏幕上的外观排序的。最顶部的窗口获得最高排名，并且是Z顺序中的第一个窗口。

        /// </summary>

        /// <param name="hWnd">窗口的句柄</param>

        /// <param name="hWndlnsertAfter">在Z顺序中位于定位的窗口之前的窗口的句柄  0; 在前面 1; 在后面 -1; 在前面, 位于任何顶部窗口的前面 -2; 在前面, 位于其他顶部窗口的后面</param>

        /// <param name="X"></param>

        /// <param name="Y"></param>

        /// <param name="cx"></param>

        /// <param name="cy"></param>

        /// <param name="Flags">窗口尺寸和定位的标志</param>

        /// <returns></returns>

        [DllImport("user32.dll")]

        private static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndlnsertAfter, int X, int Y, int cx, int cy, uint Flags);

            //启动计算器

            public void start_Calc()

            {

                AppLog.Info($"start calc ...");

                // 获取查找窗体句柄(通过窗体标题名)

                IntPtr calcHandle = FindWindow(null, "计算器");

                if (calcHandle == IntPtr.Zero)

                {

                    AppLog.Info($"pre start calc ...");

                    pcalc = Process.Start("calc.exe");

                    Thread.Sleep();

                    calcHandle = FindWindow(null, "计算器");

                }

                //将计算器显示为正常状态

                bool resultSetWindowState = ShowWindowAsync(calcHandle, );

                AppLog.Info($"set calc window status:{resultSetWindowState}");

                //将计算器显示在最上层

                bool result = SetWindowPos(calcHandle, new IntPtr(-), , , , ,  | );

                AppLog.Info($"set calc status:{result}");

            }