log4net SDK Documentation - Microsoft .NET Framework 4.0

LogLog.Prefix Property

A string indicating the severity of the internal message.

[Visual Basic]
Public ReadOnly Property Prefix As String
[C#]
public string Prefix {get;}

Remarks

"log4net: ", "log4net:ERROR ", "log4net:WARN "

See Also

LogLog Class | log4net.Util Namespace