ReactX : wrong refresh rate reported (1 Hz)

/* retrieve current display mode */

 DevMode.dmSize = sizeof(DEVMODEW);

 if (EnumDisplaySettingsW(pDispDevice->DeviceName, ENUM_CURRENT_SETTINGS, &DevMode))

 {

 szFormat[0] = L'\0';

 if (LoadStringW(hInst, IDS_FORMAT_ADAPTER_MODE, szFormat, sizeof(szFormat)/sizeof(WCHAR)))

 szFormat[(sizeof(szFormat)/sizeof(WCHAR))-1] = L'\0';

 wsprintfW(szText, szFormat, DevMode.dmPelsWidth, DevMode.dmPelsHeight, DevMode.dmBitsPerPel, DevMode.dmDisplayFrequency);

 SendDlgItemMessageW(hwndDlg, IDC_STATIC_ADAPTER_MODE, WM_SETTEXT, 0, (LPARAM)szText);

 }