IHttpTraceContext Interface


Provides a request-wide method for modules to raise events into the IIS 7 tracing infrastructure.


class IHttpTraceContext  


The following table lists the methods exposed by the IHttpTraceContext class.

Name Description
GetTraceActivityId Returns the trace activity identifier for the trace context.
GetTraceConfiguration Returns the trace configuration for the trace context.
QuickTrace Writes a message to the IIS trace log.
RaiseTraceEvent Raises a trace event for the trace context.
SetTraceConfiguration Sets the trace configuration for the trace context.

Derived Classes

This interface contains no derived classes.


To implement tracing, a module will generally call the IHttpContext::GetTraceContext method to get the IHttpTraceContext interface, and then call the RaiseTraceEvent method.

For more information about how to create and deploy a native DLL module, see Walkthrough: Creating a Request-Level HTTP Module By Using Native Code.


Type Description
Client - IIS 7.0 on Windows Vista
- IIS 7.5 on Windows 7
- IIS 8.0 on Windows 8
- IIS 10.0 on Windows 10
Server - IIS 7.0 on Windows Server 2008
- IIS 7.5 on Windows Server 2008 R2
- IIS 8.0 on Windows Server 2012
- IIS 8.5 on Windows Server 2012 R2
- IIS 10.0 on Windows Server 2016 Technical Preview
Product - IIS 7.0, IIS 7.5, IIS 8.0, IIS 8.5, IIS 10.0
- IIS Express 7.5, IIS Express 8.0, IIS Express 10.0
Header Httpserv.h

See Also

Web Server Core Interfaces