Handling Errors with Multimedia Audio Functions - Win32 Multimedia Programmer's Reference

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Handling Errors with Multimedia Audio Functions

Multimedia audio functions return a nonzero error code. A set of functions convert these error codes into a textual description of the error. The application must still look at the error value itself to determine how to proceed, but textual descriptions of errors can be used in dialog boxes describing errors to users.

The following functions can be used to get textual descriptions of multimedia audio errors.

Function	Description
midiInGetErrorText	Retrieves a textual description of a specified MIDI input error.
midiOutGetErrorText	Retrieves a textual description of a specified MIDI output error.
waveInGetErrorText	Retrieves a textual description of a specified waveform input error.
waveOutGetErrorText	Retrieves a textual description of a specified waveform output error.

The only multimedia audio functions that don't return error codes are the device-numbering functions. These functions return a value of zero if no devices are present in a system, or if any errors are encountered by the function.

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