mf-toponode-transform-objectid-attribute.md

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The class identifier (CLSID) of the Media Foundation transform (MFT) associated with this topology node.	6aa6e649-d23d-4d8d-be80-2b8814b07a57	MF_TOPONODE_TRANSFORM_OBJECTID attribute (Mfidl.h)	reference	05/31/2018

MF_TOPONODE_TRANSFORM_OBJECTID attribute

The class identifier (CLSID) of the Media Foundation transform (MFT) associated with this topology node.

Data type

GUID

Remarks

This attribute applies to transform nodes (MF_TOPOLOGY_TRANSFORM_NODE).

Applications can use this attribute to initialize a transfrom node. If you set this attribute, you do not have to call IMFTopologyNode::SetObject with a pointer to an MFT or activation object. Conversely, if you call SetObject, you do not need to set this attribute. For more information, see Creating Topologies.

The GUID constant for this attribute is exported from mfuuid.lib.

Requirements

Requirement	Value
Minimum supported client	Windows Vista [desktop apps only]
Minimum supported server	Windows Server 2008 [desktop apps only]
Header	Mfidl.h

See also

Alphabetical List of Media Foundation Attributes

IMFAttributes::GetGUID

IMFAttributes::SetGUID

IMFTopologyNode

Media Foundation Attributes

Creating Topologies

Topology Node Attributes