Was this page helpful?
Your feedback about this content is important. Let us know what you think.
Additional feedback?
1500 characters remaining
NotImplementedException Class
Collapse the table of content
Expand the table of content

NotImplementedException Class

The exception that is thrown when a requested method or operation is not implemented.

For a list of all members of this type, see NotImplementedException Members.


[Visual Basic]
Public Class NotImplementedException
   Inherits SystemException
public class NotImplementedException : SystemException
public __gc class NotImplementedException : public SystemException
class NotImplementedException extends SystemException

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.


NotImplementedException uses the default Equals implementation, which supports reference equality. For a list of initial values for an instance of NotImplementedException, see the NotImplementedException constructors.


Namespace: System

Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

Assembly: Mscorlib (in Mscorlib.dll)

See Also

NotImplementedException Members | System Namespace | Exception | Handling and Throwing Exceptions

© 2015 Microsoft