Re: Byte size of characters when encoding

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From: Vladimir (xozar_at_tut.by)
Date: 07/09/04 

Date: Sat, 10 Jul 2004 01:01:17 +0300

> > Method UnicodeEncoding.GetMaxByteCount(charCount) returns charCount * 2.
> > Method UTF8Encoding.GetMaxByteCount(charCount) returns charCount * 4.
> >
> > But why that?
>
> Strings in .NET are already Unicode encoded. So if you encode the
> string to an array of bytes, you get bytes per character.
>
> However, for UTF8 encoding a single Unicode character can be encoded
> using up to 4 bytes in the worst case. charCount*4 is just a worst case
> scenario if the string happened to contain only characters that required
> 4 byte encoding.

Do you want to say that two instances of struct Char in UTF-8 can occupy 8
bytes?

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