'Declaration
 
<NullableContextAttribute(1)>
Protected Overridable Sub OnMessageSourceCalculate( _
   ByRef className As String, _
   ByRef methodName As String, _
   ByRef fileName As String, _
   ByRef lineNumber As Integer _
) 

[NullableContext(1)]
protected virtual void OnMessageSourceCalculate( 
   ref string className,
   ref string methodName,
   ref string fileName,
   ref int lineNumber
)

Parameters

className

The full name of the class (with namespace) whose method issued the log message.

methodName

The simple name of the method which issued the log message.

fileName

The name of the file containing the method which issued the log message.

lineNumber

The line within the file at which the log message was issued.

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

MessageSourceProvider Class
MessageSourceProvider Members