| description | ms.assetid | title | ms.topic | ms.date |
|---|---|---|---|---|
Specifies the start time for a segment topology. |
d8902fb6-c758-4d3d-9230-e918948bda19 |
MF_EVENT_SOURCE_PROJECTSTART attribute (Mfapi.h) |
reference |
05/31/2018 |
Specifies the start time for a segment topology.
UINT64
Treat as a LONGLONG value.
This attribute is used with the MESourceStarted event. The sequencer source sets this attribute when the current segment topology has the MF_TOPOLOGY_PROJECTSTART attribute. The two attributes have the same value.
This attribute is a signed value, although it is stored as a UINT64.
The GUID constant for this attribute is exported from mfuuid.lib.
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2008 [desktop apps only] |
| Header |
|