log4net SDK Documentation - Microsoft .NET Framework 4.0

AppenderCollection.Contains Method 

Determines whether a given IAppender is in the AppenderCollection.

[Visual Basic]
Overridable Public Function Contains( _
   ByVal item As IAppender _
) As Boolean
[C#]
public virtual bool Contains(
   IAppender item
);

Parameters

item
The IAppender to check for.

Return Value

true if item is found in the AppenderCollection; otherwise, false.

See Also

AppenderCollection Class | log4net.Appender Namespace