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The waveInGetNumDevs function returns the number of waveform-audio input devices present in the system.
Syntax
UINT waveInGetNumDevs(void);
Parameters
This function has no parameters.
Return value
Returns the number of devices. A return value of zero means that no devices are present or that an error occurred.
Requirements
Minimum supported client |
Windows 2000 Professional [desktop apps only] |
Minimum supported server |
Windows 2000 Server [desktop apps only] |
Header |
Mmsystem.h (include Windows.h) |
Library |
Winmm.lib |
DLL |
Winmm.dll |