/1[], 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)
Syntax
'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)
public static void Trace(
this ITraceWriter traceWriter,
HttpRequestMessage request,
string category,
TraceLevel level,
Exception exception
)
[ExtensionAttribute]
public:
static void Trace(
ITraceWriter^ traceWriter,
HttpRequestMessage^ request,
String^ category,
TraceLevel level,
Exception^ exception
)
static member Trace :
traceWriter:ITraceWriter *
request:HttpRequestMessage *
category:string *
level:TraceLevel *
exception:Exception -> unit
public static function Trace(
traceWriter : ITraceWriter,
request : HttpRequestMessage,
category : String,
level : TraceLevel,
exception : Exception
)
Parameters
traceWriter
Type: System.Web.Http.Tracing.ITraceWriterThe ITraceWriter.
request
Type: HttpRequestMessageThe HttpRequestMessage with which to associate the trace. It may be null.
category
Type: System.StringThe logical category of the trace.
level
Type: System.Web.Http.Tracing.TraceLevelThe trace level.
exception
Type: System.ExceptionThe 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) or https://msdn.microsoft.com/en-us/library/bb383977(v=vs.108).