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I have a serial key in this form

xxxxx-xxxxx-xxxxx-xxxxx-xxxxx

So, 5 textboxes in my c# windows application. When I copy full serial (5x5) to first textbox from some for example word document or notepad file, I want to fill 4 left textboxes automatically. How can I achieve this?

Thanks.

Blorgbeard
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Ferid Š. Sejdović
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