Hello, Bill,
Indeed, RadWebCam flickers when taking snapshots even if the image preview is disabled.
I have logged it in our feedback portal by creating a public thread on your behalf. You can track its progress, subscribe for status changes and add your comments on the following link - feedback item.
I have also updated your Telerik points.
Currently, due to the specificity of the webcam internal implementation, I am unable to suggest a suitable solution. Please excuse us for the inconvenience caused.
Regards,
Dess | Tech Support Engineer, Sr.
Progress Telerik