PrintDialog поверх остальных окон

// Create the print dialog object and set options
PrintDialog pDialog = new PrintDialog();
pDialog.AllowSomePages = true;
pDialog.ShowHelp = true;
 
DialogResult result = pDialog.ShowDialog();
 
// If the result is OK then print the document
if (result == DialogResult.OK)
{
    PrintDocument D = new PrintDocument();
    D.DocumentName = destFile;
    D.Print();
}

using System.Runtime.InteropServices;
 
[DllImport("user32.dll", SetLastError = true)]
static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
 
[DllImport("user32.dll")]
public static extern IntPtr SetForegroundWindow(IntPtr hWnd);
 
IntPtr printWnd = FindWindow(null, "Печать");
SetForegroundWindow(printWnd);

Process.Start(@"C:\ca6.exe");
DialogResult result = pDialog.ShowDialog();

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Threading;
 
namespace ca6
{
    public class SetForegroundPrintdialog
    {
        [DllImport("user32.dll")]
        public static extern IntPtr SetForegroundWindow(IntPtr hWnd);
 
        // For Windows Mobile, replace user32.dll with coredll.dll
        [DllImport("user32.dll", SetLastError = true)]
        static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
 
        public static IntPtr GetPrintHWnd(int n)
        {
            if (n > 0)
            {
                Thread.Sleep(200);
                IntPtr printWnd = FindWindow(null, "Печать");
                if (printWnd.ToString() == "0")
                {
                    return GetPrintHWnd(n - 1);
                }
                else
                {
                    return printWnd;
                }
            }
            else
            {
                IntPtr printWnd = FindWindow(null, "Печать");
                return printWnd;
            }
        }
 
        public static void Main()
        {
            SetForegroundWindow(GetPrintHWnd(30));
        }
    }
}