'Usage

Dim instance As HttpApplication
Dim context As HttpContext
Dim cb As AsyncCallback
Dim extraData As Object
Dim returnValue As IAsyncResult

returnValue = CType(instance, IHttpAsyncHandler).BeginProcessRequest(context, _
    cb, extraData)

'Declaration

Private Function BeginProcessRequest ( _
    context As HttpContext, _
    cb As AsyncCallback, _
    extraData As Object _
) As IAsyncResult Implements IHttpAsyncHandler.BeginProcessRequest