protected virtual void OnPropertyChangedStringCompair <T>(string name, ref Nullable <T> oldValue, Nullable <T> newValue) where T : struct
{
if (oldValue.HasValue != newValue.HasValue || oldValue.ParseToString() != newValue.ParseToString())
{
if (oldValue != null)
{
this.AddChangs(name, oldValue, newValue);
}
oldValue = newValue;
this.HasModelChanged = true;
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
}
}
