The exception that is thrown when a requested method or operation is not implemented.
(in mscorlib.dll)
Visual Basic (Declaration)
<SerializableAttribute> _
<ComVisibleAttribute(True)> _
Public Class NotImplementedException _
Inherits SystemException
Dim instance As NotImplementedException
[SerializableAttribute]
[ComVisibleAttribute(true)]
public class NotImplementedException : SystemException
[SerializableAttribute]
[ComVisibleAttribute(true)]
public ref class NotImplementedException : public SystemException
public class NotImplementedException extends SystemException
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.
The following example throws this exception for a method that has not been developed.
Sub Main()
Try
FutureFeature()
Catch NotImp As NotImplementedException
Console.WriteLine(NotImp.Message)
End Try
End Sub
Sub FutureFeature()
' not developed yet.
Throw New NotImplementedException()
End Sub
static void Main(string[] args)
{
try
{
FutureFeature();
}
catch (NotImplementedException notImp)
{
Console.WriteLine(notImp.Message);
}
}
static void FutureFeature()
{
// Not developed yet.
throw new NotImplementedException();
}
System..::.Object
System..::.Exception
System..::.SystemException
System..::.NotImplementedException
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
.NET Framework
Supported in: 3.5, 3.0, 2.0, 1.1, 1.0
.NET Compact Framework
Supported in: 3.5, 2.0
XNA Framework
Supported in: 3.0, 2.0, 1.0
Reference
Other Resources