Returns the previous value associated with this key or null if none exists.
            
| C# | Visual Basic | Visual C++ | J# | 
public static Object GetPreviousValue( IChangeOperationResult changeOperationResult )
Public Shared Function GetPreviousValue ( _ changeOperationResult As IChangeOperationResult _ ) As Object
public: static Object^ GetPreviousValue( IChangeOperationResult^ changeOperationResult )
public static Object GetPreviousValue( IChangeOperationResult changeOperationResult )
- changeOperationResult (IChangeOperationResult)
 - Change operation result.
 
The previous value associated with this key or null if none exists.
