To preview, use the following sample code:
VideoGrabber.VideoSource =vs_IPCamera
VideoGrabber.IPCameraURL = “http://IPADDRESS/osc/commands/execute”
VideoGrabber.SetAuthentication (at_IPCamera, “user”, “password”)
VideoGrabber.StartPreview()

To preview and record in native MJPEG mode, use the following sample code:
VideoGrabber.VideoSource =vs_IPCamera
VideoGrabber.IPCameraURL = “http://IPADDRESS/osc/commands/execute”
VideoGrabber.SetAuthentication (at_IPCamera, “user”, “password”)
VideoGrabber.RecordingMethod = rm_MKV
//VideoGrabber.RecordingFileName = “c:\myfolder\myfilename.mkv” // filename generated automatically if not specified
VideoGrabber.StartRecording()