using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Permissions;
using System.Text;
using System.Windows.Threading;

namespace CutupClient.Utils
{
  public static class DispatcherHelper
  {
    [SecurityPermissionAttribute(SecurityAction.Demand, Flags = SecurityPermissionFlag.UnmanagedCode)]
    public static void DoEvents()
    {
      DispatcherFrame frame = new DispatcherFrame();
      Dispatcher.CurrentDispatcher.BeginInvoke(DispatcherPriority.Background, new DispatcherOperationCallback(ExitFrames), frame);
      try { Dispatcher.PushFrame(frame); } catch (InvalidOperationException) { }
    }
    private static object ExitFrames(object frame)
    {
      ((DispatcherFrame)frame).Continue = false;
      return null;
    }
  }
}