I know it's unnecessary -- it's just an old habit. Certainly not what's causing my problem though.

I suspect that this is a threading issue. LPRCamera2_OnNewFrame appears to be an event handler and it may be raised on its own thread. See this SO answer[^] for a good explanation.

Got one you would recommended?

If I may be so bold as to humbly point you to a little article[^] that I wrote a while back on memory managing images, you might find that it helps a lot. I use this a lot. I was brought up to respect my elders. I don't respect many people nowadays. CodeStash - Online Snippet Management | My blog | MoXAML PowerToys | Mole 2010 - debugging made easier

BBatts wrote: System.Thread there is more direct control over when and how the thread is fired. How exactly do you "fire" a thread in the above? How exactly do you think that process is different than what a timer does? BBatts wrote: I can't think of any reason to use a Timer as opposed to System.Thread...in a windows service Because one wants an action to occur based on something associated with time. For example running a process every hour or once a day.