MF_TOPONODE_DRAIN attribute
Specifies when a transform is drained.
Data type
UINT32
Remarks
This attribute applies to transform nodes (MF_TOPOLOGY_TRANSFORM_NODE).
The value of the attribute is a member of the MF_TOPONODE_DRAIN_MODE enumeration. If this attribute is not set, the default value is MF_TOPONODE_DRAIN_DEFAULT.
Draining is performed by calling IMFTransform::ProcessMessage on the transform with the MFT_MESSAGE_COMMAND_DRAIN message. For more information, see MFT_MESSAGE_TYPE enumeration.
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 |
|
See also
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