IMFAttributes::GetCount method (mfobjects.h)
Retrieves the number of attributes that are set on this object.
Syntax
HRESULT GetCount(
[out] UINT32 *pcItems
);
Parameters
[out] pcItems
Receives the number of attributes. This parameter must not be NULL. If this parameter is NULL, an access violation occurs.
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. |
Remarks
To enumerate all of the attributes, call IMFAttributes::GetItemByIndex for each index value.
This interface is available on the following platforms if the Windows Media Format 11 SDK redistributable components are installed:
- Windows XP with Service Pack 2 (SP2) and later.
- Windows XP Media Center Edition 2005 with KB900325 (Windows XP Media Center Edition 2005) and KB925766 (October 2006 Update Rollup for Windows XP Media Center Edition) installed.
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 | mfobjects.h (include Mfidl.h) |
| Library | Mfuuid.lib |