How do Hex editors display data so quickly?

Posted by user146780 on Stack Overflow See other posts from Stack Overflow or by user146780
Published on 2010-04-25T14:02:30Z Indexed on 2010/04/25 14:13 UTC
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c++

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hex

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edit

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editor

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winapi

I'v created a Notepad-like application and if I load a 1MB file into the textbox, it takes about 1 minute. The Visual Studio Binary editor displays lines, Hex, and ascii versions in a fraction of a second. How do they get the data into the textbox so quickly? Thanks

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