Adds the specified HttpApplication.MapRequestHandler event to the collection of asynchronous HttpApplication.MapRequestHandler event handlers for the current request.
- bh
- The System.Web.BeginEventHandler that starts asynchronous processing of the HttpApplication.MapRequestHandler.
- eh
- The System.Web.EndEventHandler that ends asynchronous processing of the HttpApplication.MapRequestHandler.
HttpApplication.AddOnMapRequestHandlerAsync(BeginEventHandler, EndEventHandler) is introduced in the .NET Framework version 3.5. For more information, see The .NET Framework 3.5 Architecture.