public void TakePicture()
{
    // Singleton initialized lazily. Reference once in your application.
    MMALCamera cam = MMALCamera.Instance;

    using (var imgCaptureHandler = new ImageStreamCaptureHandler("/home/pi/images/", "jpg"))        
    {            
        await cam.TakePicture(imgCaptureHandler, MMALEncoding.JPEG, MMALEncoding.I420);
    }
    
    // Cleanup disposes all unmanaged resources and unloads Broadcom library. To be called when no more processing is to be done
    // on the camera.
    cam.Cleanup();
}

public void TakeVideo()
{
    // Singleton initialized lazily. Reference once in your application.
    MMALCamera cam = MMALCamera.Instance;

    using (var vidCaptureHandler = new VideoStreamCaptureHandler("/home/pi/videos/", "avi"))        
    {    
        var cts = new CancellationTokenSource(TimeSpan.FromMinutes(3));
                
        await cam.TakeVideo(vidCaptureHandler, cts.Token);
    }   

    // Cleanup disposes all unmanaged resources and unloads Broadcom library. To be called when no more processing is to be done
    // on the camera.
    cam.Cleanup();
}