March 2002
Intermediate to advanced
864 pages
31h 8m
English
Char
This simple value type represents a 16-bit Unicode
character (from hexadecimal 0x0000 to 0xFFFF). You can convert a character
to upper- or lowercase and get its numeric representation using the methods
of a Char object.
You can also test whether it is a number, letter, or symbol by
using the methods prefixed with Is. For exact information,
use the GetUnicodeCategory() method
to get an enumerated value from
System.Globalization.UnicodeCategory. This classifies the character into one of about thirty categories.
In C#, this type is aliased as char.
If you need an array of chars, use the String class.
public struct Char : IComparable, IConvertible { // Public Static Fields public const field char MaxValue; // =0xffff public const field char MinValue; // =0x0 // Public Static Methods public static method double GetNumericValue(char c); public static method double GetNumericValue(string s, int index); public static method UnicodeCategory GetUnicodeCategory( char c); public static method UnicodeCategory GetUnicodeCategory( string s, int index); public static method bool IsControl(char c); public static method bool IsControl(string s, int index); public static method bool IsDigit(char c); public static method bool IsDigit(string s, int index); public static method bool IsLetter(char c); public static method bool IsLetter(string s, int index); public static method bool IsLetterOrDigit(char c); public static method bool IsLetterOrDigit(string s, int index); public static ...