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A previous call to the IAMStreamControl::StartAtmethod has taken effect.



Address of an IPininterface that will contain the pin that called IAMStreamControl::StartAt.


DWORDvalue that you can use to mark the start.


You can mark calls to this event with dwCookie, allowing applications to easily associate request and completion notifications.

After the completion of this event, pSenderwill point to the pin that called IAMStreamControl::StartAt. This is not necessarily the pin that received the IAMStreamControl::StartAtcall.

For information on how to use this event code, see CBaseFilter::NotifyEvent.


Windows Embedded CE Windows CE 2.12 and later
Windows Mobile Pocket PC for Windows Mobile Version 5.0 and later, Smartphone for Windows Mobile Version 5.0 and later
Note Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements
For more information, see Setting Up the Build Environment

See Also