winfrom启动三方exe程序，让三方exe窗体在屏幕下方显示

     [DllImport("user32.dll")]
     static extern bool GetWindowRect(IntPtr hWnd, out RECT lpRect);
 
     [DllImport("user32.dll")]
     static extern bool MoveWindow(IntPtr hWnd, int x, int y, int nWidth, int nHeight, bool bRepaint);
 
     [DllImport("user32.dll", SetLastError = true)]
     public static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter, int X, int Y, int cx, int cy, uint uFlags);
 
     const int SWP_SHOWWINDOW = 0x0040;
     static readonly IntPtr HWND_BOTTOM = new IntPtr(1);
     public struct RECT
     {
         public int Left;
         public int Top;
         public int Right;
         public int Bottom;
     }
 
private void button1_Click(object sender, EventArgs e)
     {
         // string executablePath = @"C:\Users\Administrator\Desktop\WindowsFormsApp2\WindowsFormsApp2\bin\Debug\WindowsFormsApp2.exe";
         string executablePath = Properties.Settings.Default.executablePath;
         Process process = Process.Start(executablePath);
         process.WaitForInputIdle(); // 等待进程变为可互动状态
         Thread.Sleep(1000);
         IntPtr hWnd = process.MainWindowHandle;
      
         if (hWnd != IntPtr.Zero)
         {
             int screenWidth = Screen.PrimaryScreen.WorkingArea.Width;
             int screenHeight = Screen.PrimaryScreen.WorkingArea.Height;
             RECT rect;
             GetWindowRect(hWnd, out rect);
             // 计算窗口的宽度和高度
             int windowWidth = rect.Right - rect.Left;
             int windowHeight = rect.Bottom - rect.Top;
 
             // 设置窗口位置和大小
             SetWindowPos(hWnd, IntPtr.Zero, rect.Left, screenHeight - windowHeight, windowWidth, windowHeight, SWP_SHOWWINDOW);
 
         }
     }