ITraceWriter.Trace Method (HttpRequestMessage, String, TraceLevel, Action<TraceRecord>)
Invokes the specified traceAction to allow setting values in a new TraceRecord if and only if tracing is permitted at the given category and level.
Namespace: System.Web.Http.Tracing
Assembly: System.Web.Http (in System.Web.Http.dll)
Syntax
void Trace(
HttpRequestMessage request,
string category,
TraceLevel level,
Action<TraceRecord> traceAction
)
void Trace(
HttpRequestMessage^ request,
String^ category,
TraceLevel level,
Action<TraceRecord^>^ traceAction
)
abstract Trace :
request:HttpRequestMessage *
category:string *
level:TraceLevel *
traceAction:Action<TraceRecord> -> unit
Sub Trace (
request As HttpRequestMessage,
category As String,
level As TraceLevel,
traceAction As Action(Of TraceRecord)
)
Parameters
request
Type: System.Net.Http.HttpRequestMessageThe current HttpRequestMessage. It may be null but doing so will prevent subsequent trace analysis from correlating the trace to a particular request.
category
Type: System.StringThe logical category for the trace. Users can define their own.
level
Type: System.Web.Http.Tracing.TraceLevelThe TraceLevel at which to write this trace.
traceAction
Type: System.Action<TraceRecord>The action to invoke if tracing is enabled. The caller is expected to fill in the fields of the given TraceRecord in this action.
See Also
ITraceWriter Interface
System.Web.Http.Tracing Namespace
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