Description: encryption produced a text file procedures. Principle from the source text file sequentially read out each character and then read out the characters into the corresponding ASCII, ASCII with this integer key Key, the final results were then put back to the corresponding character and turn it into another one of the documents This is the encryption process. Xie password and encryption process is exactly the opposite of operation. 2. Interface design of a new project, Form1 add a Label, a Edit Button and the two procedures are set up and interface layout shown in the figure. A layout map interface
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