Gets the element key for a specified configuration element when overridden in a derived class.
            
| C# | Visual Basic | Visual C++ | J# | 
protected override Object GetItemKey( SystemPropertyConfigurationElement item )
Protected Overrides Function GetItemKey ( _ item As SystemPropertyConfigurationElement _ ) As Object
protected: virtual Object^ GetItemKey( SystemPropertyConfigurationElement^ item ) override
protected Object GetItemKey( SystemPropertyConfigurationElement item )
- item (SystemPropertyConfigurationElement)
 - The collection item to return the key for
 
An value that acts as the key for the specified collection item
