ITraceWriterExtensions.Trace Method (ITraceWriter, , String, TraceLevel, Exception)

Indicates the trace listeners in the Listeners collection.

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

'Declaration
<ExtensionAttribute> _
Public Shared Sub Trace ( _
	traceWriter As ITraceWriter, _
	request As HttpRequestMessage, _
	category As String, _
	level As TraceLevel, _
	exception As Exception _
)
'Usage
Dim traceWriter As ITraceWriter 
Dim request As HttpRequestMessage 
Dim category As String 
Dim level As TraceLevel 
Dim exception As Exception 

traceWriter.Trace(request, category, _
	level, exception)

Parameters

traceWriter
Type: System.Web.Http.Tracing.ITraceWriter

The ITraceWriter.

request
Type: HttpRequestMessage

The HttpRequestMessage with which to associate the trace. It may be null.

category
Type: System.String

The logical category of the trace.

level
Type: System.Web.Http.Tracing.TraceLevel

The trace level.

exception
Type: System.Exception

The error occurred during execution.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type ITraceWriter. When you use instance method syntax to call this method, omit the first parameter. For more information, see https://msdn.microsoft.com/en-us/library/bb384936(v=vs.108).aspx or https://msdn.microsoft.com/en-us/library/bb383977(v=vs.108).aspx.
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