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Hex number editor
posted

Hello,

One of my requirements is allowing the user input an int32 number in hex format, so the user could type "00000000" or "FFFFFFFF".

I'm using an UltraTextEditor with a DataFilter to convert to/from the hex string to the underlying integer. That seems to work fine.

However, I'd like to limit the characters the user can type, so only digits from 0 to 9 and letters from A to F are allowed. What's the best way to do this?

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