public InputPortViewSelectionEventArgs(bool isSelected, IInputPortView portView)
     : this(isSelected, SelectionSource.None, portView)
 {
 }
 public InputPortViewSelectionEventArgs(bool isSelected, SelectionSource source, IInputPortView portView)
     : base(isSelected, source)
 {
     _PortView = portView;
 }
 public InputPortViewSelectionEventArgs(IInputPortView portView)
     : this(false, SelectionSource.None, portView)
 {
 }