MF_TOPONODE_LOCKED attribute

Specifies whether the media types can be changed on this topology node.

Data type

UINT32

Treat as a Boolean value.

Remarks

This attribute applies to all node types.

If value of this attribute is nonzero, the topology loader will not change the media types. This attribute is set to TRUE when the node is in use.

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

Requirements

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::GetUINT32
IMFAttributes::SetUINT32
IMFTopologyNode
Topology Node Attributes

 

 

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