namespace BitSpy.Controls.Behaviors.Beahviors.Blend.Behaviors
{
    using System;
    using System.Windows;
    using System.Windows.Controls;
    using System.Windows.Input;
    using System.Windows.Interactivity;
    using System.Security; 
 
    /// <summary>

public class FullScreenCommand : ICommand
{
    public event EventHandler CanExecuteChanged;
 
    public bool CanExecute(object parameter)
    {
        bool isFullScreen = (bool.TryParse(parameter.ToString(), out isFullScreen)) ? isFullScreen : true;
 
        return Application.Current.Host.Content.IsFullScreen != isFullScreen;
    }