Callback delegates > CallbackTracksboardItemSelected delegate

Remarks

Callback delegate invoked when a sound items, or a volume point within the sound item, is selected on the TracksBoard: this callback can be set through a call to the CallbackTracksboardItemSelectedSet method.

For further details about callback delegates see the How to synchronize the container application with the API tutorial.

For details about the use of the TracksBoard refer to the How to use the TracksBoard to visually compose songs tutorial.

For further details about methods of the TracksBoard refer to the TracksBoard class section.

Syntax

[Visual Basic]

Public Delegate Sub CallbackTracksboardItemSelected (

nUniqueID as Int32,

ByVal nVolumePoint as Int16

)

[C#]

public delegate void CallbackTracksboardItemSelected (

Int32 nUniqueID,

Int16 nVolumePoint

)

[C++]

public delegate void CallbackTracksboardItemSelected (

Int32 nUniqueID,

Int16 nVolumePoint

)

Parameter

Description

nUniqueID

Unique identification number assigned to the sound item after being generated by one of the following methods:

•	TracksBoard.ItemSoundFileAdd and TracksBoard.ItemSoundFileRawAdd for sound files

•	TracksBoard.ItemSpeechFromStringAdd and TracksBoard.ItemSpeechFromFileAdd for text to speech items

•	TracksBoard.ItemClone when an existing item has been cloned

nVolumePoint

Value representing the zero-based index of the selected volume point; this parameter is set to -1 if the selection was for the container sound item only