ControllerEventListener (Java 2 Platform SE v1.4.2) - Java 2 SDK v1.4.2, Java 2 SDK 英文文档

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Java^TM 2 Platform
Std. Ed. v1.4.2

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javax.sound.midi
Interface ControllerEventListener

All Superinterfaces:: EventListener

public interface ControllerEventListener
extends EventListener

The ControllerEventListener interface should be implemented by classes whose instances need to be notified when a Sequencer has processed a requested type of MIDI control-change event. To register a ControllerEventListener object to receive such notifications, invoke the addControllerEventListener method of Sequencer, specifying the types of MIDI controllers about which you are interested in getting control-change notifications.

See Also:: MidiChannel.controlChange(int, int)

Method Summary

void controlChange(ShortMessage event)
Invoked when a Sequencer has encountered and processed a control-change event of interest to this listener.

Method Detail

controlChange

public void controlChange(ShortMessage event)

Invoked when a Sequencer has encountered and processed a control-change event of interest to this listener. The event passed in is a ShortMessage whose first data byte indicates the controller number and whose second data byte is the value to which the controller was set.

Parameters:: event - the control-change event that the sequencer encountered in the sequence it is processing
See Also:: Sequencer.addControllerEventListener(ControllerEventListener, int[]), MidiChannel.controlChange(int, int), ShortMessage.getData1(), ShortMessage.getData2()