IMFMediaEventGenerator::QueueEvent method (mfobjects.h)

Puts a new event in the object's queue.


HRESULT QueueEvent(
  [in] MediaEventType    met,
  [in] REFGUID           guidExtendedType,
  [in] HRESULT           hrStatus,
  [in] const PROPVARIANT *pvValue


[in] met

Specifies the event type. The event type is returned by the event's IMFMediaEvent::GetType method. For a list of event types, see Media Foundation Events.

[in] guidExtendedType

The extended type. If the event does not have an extended type, use the value GUID_NULL. The extended type is returned by the event's IMFMediaEvent::GetExtendedType method.

[in] hrStatus

A success or failure code indicating the status of the event. This value is returned by the event's IMFMediaEvent::GetStatus method.

[in] pvValue

Pointer to a PROPVARIANT that contains the event value. This parameter can be NULL. This value is returned by the event's IMFMediaEvent::GetValue method.

Return value

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code Description
The method succeeded.
The object was shut down.


Minimum supported client Windows Vista [desktop apps | UWP apps]
Minimum supported server Windows Server 2008 [desktop apps | UWP apps]
Target Platform Windows
Header mfobjects.h (include Mfidl.h)
Library Mfuuid.lib

See also


Media Event Generators