ServicesExtensions.GetTraceWriter Method

Gets the ITraceWriterservice.

Namespace:  System.Web.Http
Assembly:  System.Web.Http (in System.Web.Http.dll)

<ExtensionAttribute> _
Public Shared Function GetTraceWriter ( _
	services As ServicesContainer _
) As ITraceWriter
Dim services As ServicesContainer 
Dim returnValue As ITraceWriter 

returnValue = services.GetTraceWriter()


Type: System.Web.Http.Controllers.ServicesContainer

The services container.

Return Value

Type: System.Web.Http.Tracing.ITraceWriter
Returns anITraceWriterinstance.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type ServicesContainer. When you use instance method syntax to call this method, omit the first parameter. For more information, see or

Use the ITraceWriterinterface to write traces for ASP.NET Web API. The default implementation of ITraceWriteris a “no-op” tracer. To collect traces, you must provide an implementation of ITraceWriter.