Argox PT-9130 - Manual (Page 17)

PT-90 Mobile Computer SDK Programming Manual 10
Audio_SetVolume
To set the audio volume level.
DWORD Audio_SetVolume
{
DWORD dwVolume
}
Parameters
dwVolume
[in] Specifies a new volume level setting. The default level is 0x99999999.
Returned Values
If this action succeeds, the returned value is E_FUNC_SUCCEED . If this action fails, the returned value is
E_FUNC_ERROR .
Example
DWORD dwResult,dwVolume;
dwVolume = 0x11111111;
dwResult = Audio_SetVolume(dwVolume);
if(dwResult != E_FUNC_SUCCEED)
AfxMessageBox(_T("Audio_SetVolume fail"));
Requirements
OS Versions: Windows CE 6.0 or beyond
Header: sysapiax.h
Link Library: sysapiax.lib
Link DLL: sysapiax.dll
Device: PT90