Contains the media subtype for a topology node. This attribute is set when the topology fails to load because the correct decoder could not be found.
This attribute applies to all node types.
The topology loader might set the attribute. Applications typically read this attribute but do not set it.
For a list of possible values, see Media Type GUIDs.
The GUID constant for this attribute is exported from mfuuid.lib.
|Minimum supported client
||Windows Vista [desktop apps only]
|Minimum supported server
||Windows Server 2008 [desktop apps only]