wm中获取，roaming 状态和signal

来源：互联网发布：推荐淘宝好的内衣店铺编辑：程序博客网时间：2024/05/21 22:40

int GetDialupSignalStrength(int &dwSignal)
{
    HKEY   hKEY;
    LPCTSTR data_Set = _T("System//State//Phone//");
    long   ret = (::RegOpenKeyEx(HKEY_LOCAL_MACHINE, data_Set, 0, KEY_READ, &hKEY));
    if(ret!=ERROR_SUCCESS)
    {
        return GetDialupErrorCode(ret);
    }

    BYTE   dSignal =0;
    DWORD   type_1=REG_DWORD;
    DWORD   cbData_1=128;
    ret = ::RegQueryValueEx(hKEY, _T("Signal Strength Raw"), NULL, &type_1, &dSignal, &cbData_1);
    if(ret!=ERROR_SUCCESS)
    {
        ::RegCloseKey(hKEY);
        return GetDialupErrorCode(ret);
    }

    if(cbData_1<=0)
    {
        ::RegCloseKey(hKEY);
        return error;
    }

    ::RegCloseKey(hKEY);
    dwSignal = dSignal;
    return GetDialupErrorCode(ret);
}
int GetDialupRoaming(bool& bRoamFlag)
{
    HKEY   hKEY;
    LPCTSTR data_Set = _T("System//State//Phone//");
    long   ret = (::RegOpenKeyEx(HKEY_LOCAL_MACHINE, data_Set, 0, KEY_READ, &hKEY));
    if(ret!=ERROR_SUCCESS)
    {
        return GetDialupErrorCode(ret);
    }

    BYTE   dRoam =0;
    DWORD   type_1=REG_DWORD;
    DWORD   cbData_1=128;

BYTE gg[200] = {0};

    LONG RegQueryValueEx(
        HKEY hKey,
        LPCWSTR lpValueName,
        LPDWORD lpReserved,
        LPDWORD lpType,
        LPBYTE lpData,
        LPDWORD lpcbData
        );

    int dwRoam;
    ret = ::RegQueryValueEx(hKEY,_T("Status"), NULL, &type_1, gg, &cbData_1);
    memcpy(&dwRoam, gg, sizeof(DWORD));

    if(ret != ERROR_SUCCESS)
    {
        ::RegCloseKey(hKEY);
        return GetDialupErrorCode(ret);
    }

    ::RegCloseKey(hKEY);
    bRoamFlag = (0 != (dwRoam & SN_PHONEROAMING_BITMASK ));
    return GetDialupErrorCode(ret);
}