The calling thread cannot access this object because a different thread owns it?

You want to look into the Dispatcher. Invoke method.

You could use the BackgroundWorker class to perform your asynchronous operations; it should take care of any thread affinity issues you might be having. It's as simple to use as wiring up a couple of events.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.