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);

            }
        }