#include <MMSystem.h>
BOOL SetMicrPhoneVolume(DWORD dwVolume)
{
BOOL bResult = FALSE;
BOOL bfind =FALSE;
try
{
int mixerNum = (int)mixerGetNumDevs();
//m_log->WriteLog(LITGHTINTRANSMODULE,LOGLEVEL_INFO,0,"mixerNum=%d ",mixerNum);
for(int i = 0; i < mixerNum; i ++)
{
DWORD dwSource = 0;