Trying to draw an image to a form, but not refreshing

W开发者_开发知识库e are using graphics context of a form to draw an image. However it works fine on initial paint but the image is not being updated unless we set a breakpoint and run it in debug mode, stepping through each time.

What is a good way of making a seperate thread to paint on to a form every second?

Thanks.

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You don't need a thread. Just call Invalidate() on your form when a meaningful change in status has occurred (or from a timer).

Also see How do I call paint event?

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Not sure of your exact scenario but you may be after Application.DoEvents.