Assembly: System.Web (in System.Web.dll)
The operation requires integrated pipeline mode in IIS 7.0 and at least the .NET Framework version 3.0.
The property requires the integrated pipeline mode in IIS 7.0 and at least the .NET Framework version 3.0. When available, the property returns a RequestNotification value. The value of the property indicates which event in the HttpApplication instance is currently processing the request.
The property is not intended to be set. Instead, it is set by IIS 7.0 during the processing of the request in the ASP.NET pipeline. Setting the property will result in a compilation error.
is introduced in the .NET Framework version 3.5. For more information, see .NET Framework Versions and Dependencies.
The following example demonstrates how to use the property to determine what event of the HttpApplication object that is handling the current request is being processed. In the example, the event handler handles several events of the HttpApplication object, and the property determines what code is invoked for each event being handled.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.