public void AddDependOnProp(INotifyPropertyChanged vm, string propertyName)
{
DependOnProperties.Add(new PropertyListener(this, vm, propertyName));
}
//
public void AddDependOnProp <T>(INotifyPropertyChanged vm, Expression <Func <T> > property)
{
DependOnProperties.Add(new PropertyListener(this, vm, CompaRiser.GetPropName(property)));
}