Kinect 4 Windows can't get time stamp

I want to get time stamp on Kinect4W

I learned some code from a blog, but it doesn't work

I want to get time stamp on Kinect4W

I learned some code from a blog, but it doesn't work

    IBodyFrameArrivedEventArgs* pArgs=nullptr;
    IBodyFrameReference* pFrameRef = nullptr;
    HRESULT hr = pArgs->get_FrameReference(&pFrameRef);

0x00007FF748415967 There is an unhandled exception (in CZMK4Wv2.exe): 0xC000041D: An unhandled exception was encountered during the user callback. .