public void AddProperty(Property property)
{
if (properties.Contains(property)) //.Count(p => p.Equals(property)) > 0)
{
return;
}
properties.Add(property);
property.Entity = this;
if (property.IsKeyProperty)
{
Key.AddProperty(property);
}
property.PropertyChanged += new System.ComponentModel.PropertyChangedEventHandler(property_PropertyChanged);
RaisePropertyChanged("Properties");
PropertiesChanged.RaiseAdditionEventEx(this, property);
}