using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Windows.Forms;

public static class DisplayFusionFunction
{
    [STAThread]
    [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
    static extern bool PostMessage(HandleRef hWnd, uint Msg, IntPtr wParam, IntPtr lParam);
    [DllImport("user32.dll", SetLastError = true)]
    public static extern IntPtr FindWindowEx(IntPtr parentHandle, IntPtr childAfter, string className, string windowTitle);
    const uint WM_PASTE = 0x302;
	public static void Run(IntPtr windowHandle)
	{
        Clipboard.GetText();
        Process p = Process.Start("notepad.exe");
        p.WaitForInputIdle();
        IntPtr EditHandle = FindWindowEx(p.MainWindowHandle, IntPtr.Zero, "edit", null);
        PostMessage(new HandleRef(p, EditHandle), WM_PASTE, IntPtr.Zero, IntPtr.Zero);
	}
}