bool __fastcall TFormMain::ResetUSBDevice()
{
    SP_PROPCHANGE_PARAMS PropChangeParams = {sizeof(SP_CLASSINSTALL_HEADER)};
    HDEVINFO hDI;
    SP_DEVINFO_DATA deid;        hDI = SetupDiGetClassDevs(&GUID_DEVCLASS_USB, NULL, NULL, DIGCF_PRESENT);
    if(INVALID_HANDLE_VALUE == hDI)
        return false;
    deid.cbSize = sizeof(SP_DEVINFO_DATA);
    if(!SetupDiEnumDeviceInfo(hDI, m_nITEDeviceIndex, &deid))
        return false;        PropChangeParams.ClassInstallHeader.cbSize = sizeof(SP_CLASSINSTALL_HEADER);
    PropChangeParams.ClassInstallHeader.InstallFunction = DIF_PROPERTYCHANGE;
    PropChangeParams.Scope = DICS_FLAG_GLOBAL;
    PropChangeParams.StateChange = DICS_PROPCHANGE;        if(!SetupDiSetClassInstallParams(hDI, &deid, (SP_CLASSINSTALL_HEADER *)&PropChangeParams, sizeof(PropChangeParams)))
        return FALSE;        if(!SetupDiCallClassInstaller(DIF_PROPERTYCHANGE, hDI, &deid))
        return TRUE;        SetupDiDestroyDeviceInfoList(hDI);
    return true; 
}