log4net SDK Documentation - Microsoft .NET Framework 4.0

ReaderWriterLock.ReleaseWriterLock Method 

Decrements the lock count on the writer lock

[Visual Basic]
Public Sub ReleaseWriterLock()
[C#]
public void ReleaseWriterLock();

Remarks

ReleaseWriterLock decrements the writer lock count. When the count reaches zero, the writer lock is released.

See Also

ReaderWriterLock Class | log4net.Util Namespace