Подключение к Quik и запуск DDE

namespace ConsoleApplication3
{
	using System;
	using System.Diagnostics;
	using System.Linq;
	using System.Runtime.InteropServices;
	using ManagedWinapi.Windows;

	internal class Program
	{
		#region Delegates

		public delegate bool CallBackPtr(int hwnd, int lParam);

		#endregion

		[DllImport("user32.dll")]
		public static extern int EnumWindows(CallBackPtr callPtr, int lPar);

		[DllImport("user32.dll", SetLastError = true)]
		static extern int GetWindowThreadProcessId(IntPtr hWnd, out int lpdwProcessId);

		static int GetProcessId(IntPtr hwnd)
		{
			int pid;
			GetWindowThreadProcessId(hwnd, out pid);
			//Process.GetProcessById(pid);
			return pid;
		}

		private static void Main()
		{
			var watch = Stopwatch.StartNew();
			
			var windowsCount = 0;
			EnumWindows((hwnd, lParam) =>
			{
				windowsCount++;
				return true;
			}, 0);
			
			watch.Stop();
			Console.WriteLine("EnumWindows time: {0} Windows count: {1}", watch.Elapsed, windowsCount);

			watch = Stopwatch.StartNew();
			//var wins = SystemWindow.AllToplevelWindows.Where(w => w.Process.Id == AppDomain.GetCurrentThreadId()).ToArray();
			var wins = SystemWindow.FilterToplevelWindows(w => GetProcessId(w.HWnd) == AppDomain.GetCurrentThreadId());
			watch.Stop();
			Console.WriteLine("AllToplevelWindows time: {0} Windows count: {1}", watch.Elapsed, wins.Length);

			Console.ReadLine();
		}
	}
}

 var wins = SystemWindow.AllToplevelWindows.Where(w => w.ClassName.Contains("VBF")).Where(w => w.Process.Id == AppDomain.GetCurrentThreadId());