public virtual string GetPortName( FrameworkElement port )
Parameters
- port
 - a 
FrameworkElementin this node's visual tree 
Return Value
the value of GetPortId, if it is a non-empty string; otherwise it returns null
FrameworkElement in this node's visual tree
FrameworkElement.public virtual string GetPortName( FrameworkElement port )
FrameworkElement in this node's visual tree