MovieListView.cs

		[Checkbox]
		public bool TestBool 
		{ 
			get { return _testBool; }
			set
			{
				_testBool = value;
				_testBool2 = !value;
				
				if (PropertyChanged != null) 
				{
					PropertyChanged(this, new PropertyChangedEventArgs("TestBool"));
					PropertyChanged(this, new PropertyChangedEventArgs("TestBool2"));
				}
				
			}
		}		
		
		[Checkbox]
		public bool TestBool2 
		{ 
			get { return _testBool2; }
			set
			{
				_testBool2 = value;
				_testBool = !value;
				
				if (PropertyChanged != null) 
				{
					PropertyChanged(this, new PropertyChangedEventArgs("TestBool"));
					PropertyChanged(this, new PropertyChangedEventArgs("TestBool2"));
				}
				
			}
		}