What is the best way to convert an Int value to the corresponding Char in Utf16, given that the Int is in the range of valid values?
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187
(char)myint;
for example:
Console.WriteLine("(char)122 is {0}", (char)122);
yields:
(char)122 is z
gimel
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13@nykwil I don't see anything wrong with gimel's answer. – Tom Lint Apr 02 '15 at 07:47
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17@nykwil - That is misinformation. `Console.WriteLine((char)49 == '1');` Will give **True**. As will `char c = (char)49; string s = "1two3"; Console.WriteLine(c == s[0]);` Using this cast is perfectly fine. Your explanation does not provide a valid example of it not working. Furthermore, `Console.WriteLine((char)49 == 1);` is *false* which essentially makes your comment baseless. – Travis J Aug 11 '15 at 18:03
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@nykwil and future readers, in C#, '1' would be a literal char whereas just 1 would be a literal int, i.e. they are two different types. When a cast, like (char)49, is used, the result is a char, which 1 is not, but '1' is. – Rob Feb 12 '23 at 16:11
77
int i = 65;
char c = Convert.ToChar(i);
Corey Trager
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51Convert.ToChar eventually performs an explicit conversion as "(char)value", where "value" is your int value. Before doing so, it checks to ensure "value" is in the range 0 to 0xffff, and throws an OverflowException if it is not. The extra method call, value/boundary checks, and OverflowException may be useful, but if not, the performance will be better if you just use "(char)value". – Triynko Apr 14 '11 at 17:52
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Although not exactly answering the question as formulated, but if you need or can take the end result as string you can also use
string s = Char.ConvertFromUtf32(56);
which will give you surrogate UTF-16 pairs if needed, protecting you if you are out side of the BMP.
Humberto Gomes
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Boaz
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1
gimel's answer in PowerShell seems to be:
> [char]65
A
> [char]48
0
> [char]97
a
JohnL4
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