Waveform Audio Messages (Compact 2013)

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01/31/2017

3/26/2014

Wave application programming interface (API) messages fall into two categories: window messages and callback function messages. The following table shows these messages.

Message	Description
MM_WIM_CLOSE	Sent to a window when a waveform-audio input device is closed.
MM_WIM_DATA	Sent to a window when waveform-audio data is present in the input buffer and the buffer is being returned to the application.
MM_WIM_OPEN	Sent to a window when a waveform-audio input device is opened.
MM_WOM_ATTENUATED	Indicates that an audio stream is controlled by an audio gain class.
MM_WOM_CLOSE	Sent to a window when a waveform-audio output device is closed.
MM_WOM_DONE	Sent to a window when the given output buffer is being returned to the application.
MM_WOM_OPEN	Sent to a window when the given waveform-audio output device is opened.
WIM_CLOSE	Sent to the given waveInProc callback function when a waveform-audio input device is closed.
WIM_DATA	Sent to the given waveInProc callback function when waveform-audio data is present in the input buffer and the buffer is being returned to the application.
WIM_OPEN	Sent to a waveInProc callback function when a waveform-audio input device is opened.
WOM_CLOSE	Sent to a waveOutProc callback function when a waveform-audio output device is closed.
WOM_DONE	Sent to a waveOutProc callback function when the given output buffer is being returned to the application.
WOM_OPEN	Sent to a waveOutProc callback function when a waveform-audio output device is opened.

See Also

Reference

Waveform Audio Reference

Other Resources