/// <summary>
/// Listens for property change.
/// </summary>
/// <param name="property">Property.</param>
/// <typeparam name="TViewModel">The 1st type parameter.</typeparam>
protected void ListenForPropertyChange(Expression <Func <TViewModel, object> > property, Action callback)
{
var changeListener = new PropertyChangeListener();
changeListener.Listen <TViewModel>(property, ViewModel, callback);
_propertyChangeListeners.Add(changeListener);
}
/// <summary>
/// Listens for property change.
/// </summary>
/// <param name="property">Property.</param>
/// <typeparam name="TViewModel">The 1st type parameter.</typeparam>
protected void ListenForPropertyChange <TObject>(Expression <Func <TObject, object> > property, TObject obj, Action callback)
{
var changeListener = new PropertyChangeListener();
changeListener.Listen <TObject>(property, obj, callback);
_propertyChangeListeners.Add(changeListener);
}