EC_OPENING_FILE

The graph is opening a file, or has finished opening a file.

Parameters

lParam1

TRUE if the graph is starting to open a file, or FALSE if the graph is no longer opening the file.

lParam2

Zero.

Default Action

None.

Remarks

A filter can send this event if it spends significant time opening a file. (For example, the file might be located on a network.) The application can use this event to adjust its user interface.

Requirements

Header
Dshow.h

See also

Event Notification Codes

Event Notification in DirectShow