CrossThreading issue with BackgroundWorker and statusstrip update?

The documentation for BackgroundWorker states that you should not be manipulating UI objects through the DoWork method, and that any changes to UI objects should be made through ReportProgress. I haven't looked at reflector, but it's probably performing a hidden "Invoke" for you. Whatever is raising your PingCompleted event is probably executing within the worker thread or some other thread that is not the main thread.

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