/1[], String, Exception, String, Object[])

Indicates the warning level of execution.

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

Syntax

'Declaration
<ExtensionAttribute> _
Public Shared Sub Warn ( _
    traceWriter As ITraceWriter, _
    request As HttpRequestMessage, _
    category As String, _
    exception As Exception, _
    messageFormat As String, _
    ParamArray messageArguments As Object() _
)
'Usage
Dim traceWriter As ITraceWriter 
Dim request As HttpRequestMessage 
Dim category As String 
Dim exception As Exception 
Dim messageFormat As String 
Dim messageArguments As Object()

traceWriter.Warn(request, category, _
    exception, messageFormat, messageArguments)

public static void Warn(
    this ITraceWriter traceWriter,
    HttpRequestMessage request,
    string category,
    Exception exception,
    string messageFormat,
    params Object[] messageArguments
)

[ExtensionAttribute]
public:
static void Warn(
    ITraceWriter^ traceWriter, 
    HttpRequestMessage^ request, 
    String^ category, 
    Exception^ exception, 
    String^ messageFormat, 
    ... array<Object^>^ messageArguments
)

static member Warn : 
        traceWriter:ITraceWriter * 
        request:HttpRequestMessage * 
        category:string * 
        exception:Exception * 
        messageFormat:string * 
        messageArguments:Object[] -> unit

public static function Warn(
    traceWriter : ITraceWriter, 
    request : HttpRequestMessage, 
    category : String, 
    exception : Exception, 
    messageFormat : String, 
    ... messageArguments : Object[]
)

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.

• exception
  Type: System.Exception

  The error occurred during execution.

• messageFormat
  Type: System.String

  The format of the message.

• messageArguments
  Type: System.Object[]

  The message argument.

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).

See Also

Reference

ITraceWriterExtensions Class

Warn Overload

System.Web.Http.Tracing Namespace