IMFTrustedInput::GetInputTrustAuthority method (mfidl.h)
Retrieves the input trust authority (ITA) for a specified stream. If the specified stream is not protected, this method must return MF_E_NOT_PROTECTED.
Syntax
HRESULT GetInputTrustAuthority(
[in] DWORD dwStreamID,
[in] REFIID riid,
[out] IUnknown **ppunkObject
);
Parameters
[in] dwStreamID
The stream identifier for which the ITA is being requested.
[in] riid
The interface identifier (IID) of the interface being requested. Currently the only supported value is IID_IMFInputTrustAuthority.
[out] ppunkObject
Receives a pointer to the ITA's IUnknown interface. The caller must release the interface.
Return value
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
Return code | Description |
---|---|
|
The method succeeded. |
|
The ITA does not expose the requested interface. |
|
The specified stream is not protected. |
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows Vista [desktop apps | UWP apps] |
Minimum supported server | Windows Server 2008 [desktop apps | UWP apps] |
Target Platform | Windows |
Header | mfidl.h |
Library | Mfuuid.lib |
See also
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