Copyright © 2013-2014 MultiMedia Soft

MidiDevices.EventReadRaw method

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Remarks

 

Obtains data of a raw MIDI event reported by the MidiDevicesEventReceived event. The size of the buffer containing raw data of the MIDI event, the unique identifier of the input MIDI device which generated the event and the related time stamp can be obtained through a call to the MidiDevices.EventReadRawInfoGet method.

 

For further details about the use of MIDI devices see the MidiDevices object section and the How to manage MIDI devices tutorial.

 

 

Syntax

 

[Visual Basic]

control.MidiDevices.EventReadRaw (

nEventUniqueId as Integer,

pBuffer as Variant,

nBufferLen as Long

) as enumDjcErrorCodes


 

[C++]

short control.MidiDevices.EventReadRaw (

short nEventUniqueId,

const VARIANT FAR& pBuffer,

long nBufferLen

);


 

Parameter

Description

 

 

nEventUniqueId

The unique identifier of the MIDI event reported by the MidiDevicesEventReceived event. After calling this method the event is internally deleted from the queue of MIDI events so this unique identifier becomes automatically invalid.

pBuffer

Variant parameter containing the pointer to the buffer that, on return from the method call, will contain raw data of the MIDI event.

nBufferLen

The size in bytes of the buffer to fill . The size of the buffer can be obtained through a call to the MidiDevices.EventReadRawInfoGet method.

 

 

Return value

 

Value

Meaning

 

 

Negative value

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

enumErrorCodes.ERR_NOERROR (0)

The method call was successful