protected ConnectorViewModel(T node, ConnectorAttachMode attachMode, string name, Color color)
{
Node = node;
Name = name;
Color = color;
AttachMode = attachMode;
}
public OutputConnectorViewModel(T node, ConnectorAttachMode attachMode, string name, Color color) : base(node, attachMode, name, color)
{
Connections = new ObservableCollection <K>();
Connections.CollectionChanged += (e, w) => { RaisePropertyChanged(nameof(NonEmpty)); };
}
