My Timer event crashes because the events are called on a different thread

Question

I get the error \"Cross-thread operation not valid: Control \'label1\' accessed from a thread other than the thread it was created on.\" when I run this code:

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Answer 1

If you're doing this asynchronously (it sounds like you are), be sure that you catch exceptions in the event handler or callback. If a background thread throws an exception, it will crash the app. This is the most common cause that I've seen of this behavior.