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IMFHttpDownloadRequest::HasNullSourceOrigin method (mfidl.h)

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Invoked by Microsoft Media Foundation to detect the case when a HTTP or HTTPS request has been redirected to a different server of different "origin".

Syntax

HRESULT HasNullSourceOrigin(
  [out] BOOL *pfNullSourceOrigin
);

Parameters

[out] pfNullSourceOrigin

Set to TRUE if the current request has a “null” source origin. The source origin would become “null” if the HTTP request was redirected from one server to another, and the two servers have different origins.

Return value

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code Description
S_OK
 Successfully completed the operation.
E_POINTER
 The pfNullSOurceOrigin parameter is an invalid pointer.

Remarks

The pfNullSourceOrigin parameter should be set to TRUE if HasNullSourceOrigin is invoked before EndReceiveResponse has been invoked. For more information about the concept of origin in HTTP, see RFC-6454.

Requirements

Requirement Value
Minimum supported client Windows 10, version 1703 [desktop apps only]
Minimum supported server None supported
Target Platform Windows
Header mfidl.h
Library Mfplat.lib; Mfplat.dll

See also

IMFHttpDownloadRequest