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SoundComposer.SessionComposeItems method

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Composes all of the items added to the session, previously created through the SoundComposer.SessionInit method, by mixing them on the given channels and positions.


During the execution of the session, the container application will receive the following set of events:


one SoundComposerStarted event when the session is started
a number of SoundComposerPerc events that allows to know the percentage of advancement of the session
one SoundComposerDone event when the session is completed


For further details about sound composing see the the SoundComposer object and the How to compose a sound tutorial.





[Visual Basic]

control.SoundComposer.SessionComposeItems (

) as enumErrorCodes



short control.SoundComposer.SessionComposeItems (




Return value






Negative value

An error occurred, check the LastError property value in order to see the error code meaning

enumErrorCodes.ERR_NOERROR (0)

The method call was successful.