QM_SetTrackAnnotation

QM_SetTrackAnnotation(movieRef; trackID; annType; annText):error
	movieRef	Longint	Movie reference
	trackID	Longint	Track ID
	annType	String4	Annotation type
	annText	Text	Annotation text
	error	Longint	Error result

Changes a text annotation in a track. If the specified annotation does not exist, it is created.

Parameter movieRef is the reference to the movie instance. The movie reference must have been previously obtained with a call to QM_NewMovieFromFile.

Parameter trackID is the ID of the track.

Parameter annType specifies the annotation type. For a list of QMedia constants for specifying common annotation types, see the QM_GetMovieAnnTypes command.

Parameter annText is the annotation's text.

Example

`Set the track's comment

C_TEXT($comment)
$comment:="This is a comment"
$err:=QM_SetTrackAnnotation ($movie;$trackID;qm_CommentAnn;$comment)

Related commands

QM_GetTrackAnnTypes	Returns the annotation types of all annotations present in a track.
QM_GetTrackAnnotation	Returns a text annotation from a track.