I want to input text in one TextBox and as soon as I finish my input, it should do some background work and show the results on the other TextBox. I do not want to use any 'button', 'enter', 'tab' or any other triggering mechanism. The end of input in the first TextBox should be the only trigger! Please help.

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How do you define when you are finished your input? Event based programming relies on triggers to do anything. In your case the trigger is end-of-input. But you have to define what that is.

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How do you define when you are finished your input? Event based programming relies on triggers to do anything. In your case the trigger is end-of-input. But you have to define what that is.

perhaps lostfocus or keypress event. when you reach the specific character length it shall call a function.

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