'Declaration
 
Public Overridable Sub OnBeforePreprocessing( _ 
   ByVal context As CallbackHandlerContext, _ 
   ByVal message As Message _ 
) 

public virtual void OnBeforePreprocessing( 
   CallbackHandlerContext context,
   Message message 
)

Parameters

context

message

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

CallbackHandler Class
CallbackHandler Members