SetMicVolume
This function sets the microphone volume level (the audio gain).
DWORD SetMicVolume(
   DWORD nVol
);
Parameters
nVol
[in] A DWORD value indicating the new microphone volume value.

Return values
Zero indicates success. A non zero number indicates that an error occurred. For additional error information, enable the library debug mode.

Remarks
The parameter can't be smaller than 0 or bigger than 5. 5 is the maximum microphone volume.

Requirements
OS Versions: Windows CE 1.0 and later.
Header: dynril.h.
Dll Library: dynrildll.dll.

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