HttpGetExtendedInterface Function

Retrieves an extended HTTP interface given the HTTP server instance and the pointer to be down cast.

Syntax

template <class HttpType1, class HttpType2>  
HRESULT HttpGetExtendedInterface(  
   __in IHttpServer* pHttpServer,  
   __in HttpType1* pInput,  
   __deref_out HttpType2** ppOutput  
);  

Parameters

pHttpServer
[IN] Points to an instance of the IHttpServer interface.

pInput
[IN] Points to an instance of the interface to be down cast.

ppOutput
[OUT] Points to the extended HTTP interface.

Return Value

An HRESULT. Possible values include, but are not limited to, those in the following table.

Remarks

Template parameters (HttpType1 and HttpType2) can be deduced from the arguments to the function, as shown in the following example.

IHttpRequest * pHttpRequest = pHttpContext->GetRequest();  
IHttpRequest2 * pHttpRequest2;  
HRESULT hr = HttpGetExtendedInterface(g_pHttpServer, pHttpRequest, &pHttpRequest2);  
if( SUCCEEDED(hr) )  
{  
    // Use pHttpRequest2.  
}  

Where pHttpContext is an IHttpContext pointer and g_pHttpServer is an IHttpServer pointer.

Requirements

See Also

Web Server Core Functions