/*************************************************************************************

   Extended WPF Toolkit

   Copyright (C) 2007-2013 Xceed Software Inc.

   This program is provided to you under the terms of the Microsoft Public
   License (Ms-PL) as published at http://wpftoolkit.codeplex.com/license 

   For more features, controls, and fast professional support,
   pick up the Plus Edition at http://xceed.com/wpf_toolkit

   Stay informed: follow @datagrid on Twitter or Like http://facebook.com/datagrids

  ***********************************************************************************/

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Input;

namespace Xceed.Wpf.Toolkit.Core.Utilities
{
  internal class KeyboardUtilities
  {
    internal static bool IsKeyModifyingPopupState( KeyEventArgs e )
    {
      return ( ( ( ( Keyboard.Modifiers & ModifierKeys.Alt ) == ModifierKeys.Alt ) && ( ( e.SystemKey == Key.Down ) || ( e.SystemKey == Key.Up ) ) )
            || ( e.Key == Key.F4 ) );
    }
  }
}