Microsoft DirectX 9.0


Sent by the Windows Media Format SDK when an application uses the ASF Writer to index Windows Media Video files.



Can be one of the following WMT_STATUS messages.

Message Description
WMT_STARTED Indexing has begun. lParam2 is zero.
WMT_CLOSED Indexing has completed. lParam2 is zero.
WMT_INDEX_PROGRESS Indexing is in progress.


If lParam1 is WMT_CLOSED or WMT_STARTED, then lParam2 is zero. If lParam1 is WMT_INDEX_PROGRESS, then lParam2 is a DWORD that expresses the amount of progress as a percentage.

See Also