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IMFAttributes::GetCount Method

Retrieves the number of attributes that are set on this object.

Syntax

HRESULT GetCount(
  [out]  UINT32 *pcItems
);

Parameter

  • pcItems [out]
    Receives the number of attributes. This parameter must not be NULL. If this parameter is NULL, an access violation occurs.

Rückgabewert

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

Rückgabecode Beschreibung
S_OK

The method succeeded.

 

Hinweise

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 mit Service Pack 2 (SP2) und höher.
  • Windows XP Media Center Edition 2005 with KB900325 (Windows XP Media Center Edition 2005) and KB925766 (Oktober 2006 Updaterollup für Windows XP Media Center Edition) installed.

Anforderungen

Mindestens unterstützter Client

Windows Vista

Mindestens unterstützter Server

Windows Server 2008

Header

Mfobjects.h (include Mfidl.h)

Bibliothek

Mfuuid.lib

Siehe auch

IMFAttributes

Attributes and Properties