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I want to distribute excel workbook, protected with an activation key This is the steps of my idea of protection.
serial number format: 24 octets represented by 24 hex characters plus hyphens for readibility e.g. D429-A7C5-9C15-8516-D15D-3A1C
Has anyone seen any good snippets for autol开发者_如何学Pythoneveling an image in C#?See http://code.google.com/p/aforge/The source code for Paint.net might be a good place to rummage around for vario
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