Gets the element with the specified key if any.
            
            
            
            
            
            
            
            'Declaration
 
Public Overloads Shadows ReadOnly Property Item( _
   ByVal  As System.Guid _
) As 
             
        
            
            public new  Item( 
   System.Guid 
) {get;}
             
        
             
        
            Parameters
- key
- The key of the element to get.
Property Value
The element with the specified key. If an element with the specified key is not found, return null.