powershell move window at runtime

$CSsource = @"
using System;
using System.Runtime.InteropServices;
using System.Diagnostics;

namespace Win {
    public static class API {
        [DllImport("user32.dll")]
        static extern IntPtr FindWindow(
            string lpClassName,
            string lpWindowName
        );

        [DllImport("user32.dll")]
        public static extern IntPtr FindWindowEx(
            IntPtr parentHwnd,
            IntPtr childAfter,
            string className,
            string windowTitle
        );

        [DllImport("user32.dll")]
        static extern bool ShowWindow(
            IntPtr hWnd,
            int nCmdShow
        );

        [DllImport("user32.dll")]
        static extern bool MoveWindow(
            IntPtr hWnd,
            int X, int Y,
            int Width, int Height,
            bool Repaint
        );

        public static void Move(
            string wClass, string wName,
            string childClass,
            int top, int left,
            int width, int height
        ) {
            IntPtr hwnd = FindWindow(wClass, wName);
            if ((int) hwnd > 0) {
                IntPtr subHwnd;
                if (childClass != String.Empty) {
                    subHwnd = FindWindowEx(hwnd, IntPtr.Zero, childClass, null);
                } else {
                    subHwnd = IntPtr.Zero;
                }

                if ((int) subHwnd > 0) {
                    MoveWindow(subHwnd, left, top, width, height + 50, true);
                    Process.Start("cmd"); //feedback from loop, heh
                } else {
                    MoveWindow(hwnd, left, top, width, height + 50, true);
                }
            }
        }
    }
}
"@

add-type -TypeDefinition $CSsource
#[Win.API]::Move('OSKMainClass', 'On-Screen Keyboard', 'DirectUIHWND', 50, 50, 200, 100)
#[Win.API]::Move('OSKMainClass', 'Accessibility On-Screen Keyboard', 'DirectUIHWND', 50, 50, 200, 100)
[Win.API]::Move('OSKMainClass', 'Accessibility On-Screen Keyboard', '', 50, 50, 200, 100)
[Win.API]::Move('Notepad', 'Untitled - Notepad', '', 50, 50, 200, 100)