MESessionTopologyStatus event

Raised by the Media Session when the status of a topology changes.

Event values

Possible values retrieved from IMFMediaEvent::GetValue include the following.

VARTYPE Description
VT_UNKNOWN
Pointer to the IMFTopology interface of the topology.

Attributes

The following attributes are defined for this event.

Attribute Description
MF_EVENT_TOPOLOGY_STATUS
Specifies the new status of the topology.

Remarks

For a code example that retrieves the IMFTopology pointer from the event, see MESessionTopologySet event.

Requirements

Requirement Value
Minimum supported client
Windows Vista [desktop apps only]
Minimum supported server
Windows Server 2008 [desktop apps only]
Header
Mfobjects.h (include Mfidl.h)

See also

Media Foundation Events