Char 结构
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
将字符表示为 UTF-16 代码单位。
public value class char : IComparable, IComparable<char>, IConvertible, IEquatable<char>
public value class char : IComparable, IComparable<char>, IConvertible, IEquatable<char>, ISpanFormattable
public value class char : IComparable<char>, IConvertible, IEquatable<char>, IParsable<char>, ISpanParsable<char>, System::Numerics::IAdditionOperators<char, char, char>, System::Numerics::IAdditiveIdentity<char, char>, System::Numerics::IBinaryInteger<char>, System::Numerics::IBinaryNumber<char>, System::Numerics::IBitwiseOperators<char, char, char>, System::Numerics::IComparisonOperators<char, char, bool>, System::Numerics::IDecrementOperators<char>, System::Numerics::IDivisionOperators<char, char, char>, System::Numerics::IEqualityOperators<char, char, bool>, System::Numerics::IIncrementOperators<char>, System::Numerics::IMinMaxValue<char>, System::Numerics::IModulusOperators<char, char, char>, System::Numerics::IMultiplicativeIdentity<char, char>, System::Numerics::IMultiplyOperators<char, char, char>, System::Numerics::INumber<char>, System::Numerics::INumberBase<char>, System::Numerics::IShiftOperators<char, int, char>, System::Numerics::ISubtractionOperators<char, char, char>, System::Numerics::IUnaryNegationOperators<char, char>, System::Numerics::IUnaryPlusOperators<char, char>, System::Numerics::IUnsignedNumber<char>
public value class char : IComparable<char>, IConvertible, IEquatable<char>, IParsable<char>, ISpanParsable<char>, IUtf8SpanParsable<char>, System::Numerics::IAdditionOperators<char, char, char>, System::Numerics::IAdditiveIdentity<char, char>, System::Numerics::IBinaryInteger<char>, System::Numerics::IBinaryNumber<char>, System::Numerics::IBitwiseOperators<char, char, char>, System::Numerics::IComparisonOperators<char, char, bool>, System::Numerics::IDecrementOperators<char>, System::Numerics::IDivisionOperators<char, char, char>, System::Numerics::IEqualityOperators<char, char, bool>, System::Numerics::IIncrementOperators<char>, System::Numerics::IMinMaxValue<char>, System::Numerics::IModulusOperators<char, char, char>, System::Numerics::IMultiplicativeIdentity<char, char>, System::Numerics::IMultiplyOperators<char, char, char>, System::Numerics::INumber<char>, System::Numerics::INumberBase<char>, System::Numerics::IShiftOperators<char, int, char>, System::Numerics::ISubtractionOperators<char, char, char>, System::Numerics::IUnaryNegationOperators<char, char>, System::Numerics::IUnaryPlusOperators<char, char>, System::Numerics::IUnsignedNumber<char>
public value class char : IComparable, IConvertible
public value class char : IComparable, IComparable<char>, IEquatable<char>
public struct Char : IComparable, IComparable<char>, IConvertible, IEquatable<char>
public readonly struct Char : IComparable, IComparable<char>, IConvertible, IEquatable<char>
public readonly struct Char : IComparable, IComparable<char>, IConvertible, IEquatable<char>, ISpanFormattable
public readonly struct Char : IComparable<char>, IConvertible, IEquatable<char>, IParsable<char>, ISpanParsable<char>, System.Numerics.IAdditionOperators<char,char,char>, System.Numerics.IAdditiveIdentity<char,char>, System.Numerics.IBinaryInteger<char>, System.Numerics.IBinaryNumber<char>, System.Numerics.IBitwiseOperators<char,char,char>, System.Numerics.IComparisonOperators<char,char,bool>, System.Numerics.IDecrementOperators<char>, System.Numerics.IDivisionOperators<char,char,char>, System.Numerics.IEqualityOperators<char,char,bool>, System.Numerics.IIncrementOperators<char>, System.Numerics.IMinMaxValue<char>, System.Numerics.IModulusOperators<char,char,char>, System.Numerics.IMultiplicativeIdentity<char,char>, System.Numerics.IMultiplyOperators<char,char,char>, System.Numerics.INumber<char>, System.Numerics.INumberBase<char>, System.Numerics.IShiftOperators<char,int,char>, System.Numerics.ISubtractionOperators<char,char,char>, System.Numerics.IUnaryNegationOperators<char,char>, System.Numerics.IUnaryPlusOperators<char,char>, System.Numerics.IUnsignedNumber<char>
public readonly struct Char : IComparable<char>, IConvertible, IEquatable<char>, IParsable<char>, ISpanParsable<char>, IUtf8SpanParsable<char>, System.Numerics.IAdditionOperators<char,char,char>, System.Numerics.IAdditiveIdentity<char,char>, System.Numerics.IBinaryInteger<char>, System.Numerics.IBinaryNumber<char>, System.Numerics.IBitwiseOperators<char,char,char>, System.Numerics.IComparisonOperators<char,char,bool>, System.Numerics.IDecrementOperators<char>, System.Numerics.IDivisionOperators<char,char,char>, System.Numerics.IEqualityOperators<char,char,bool>, System.Numerics.IIncrementOperators<char>, System.Numerics.IMinMaxValue<char>, System.Numerics.IModulusOperators<char,char,char>, System.Numerics.IMultiplicativeIdentity<char,char>, System.Numerics.IMultiplyOperators<char,char,char>, System.Numerics.INumber<char>, System.Numerics.INumberBase<char>, System.Numerics.IShiftOperators<char,int,char>, System.Numerics.ISubtractionOperators<char,char,char>, System.Numerics.IUnaryNegationOperators<char,char>, System.Numerics.IUnaryPlusOperators<char,char>, System.Numerics.IUnsignedNumber<char>
[System.Serializable]
public struct Char : IComparable, IConvertible
[System.Serializable]
[System.Runtime.InteropServices.ComVisible(true)]
public struct Char : IComparable, IComparable<char>, IConvertible, IEquatable<char>
public struct Char : IComparable, IComparable<char>, IEquatable<char>
type char = struct
interface IConvertible
type char = struct
interface IConvertible
interface ISpanFormattable
interface IFormattable
type char = struct
interface IConvertible
interface IFormattable
interface IParsable<char>
interface ISpanFormattable
interface ISpanParsable<char>
interface IAdditionOperators<char, char, char>
interface IAdditiveIdentity<char, char>
interface IBinaryInteger<char>
interface IBinaryNumber<char>
interface IBitwiseOperators<char, char, char>
interface IComparisonOperators<char, char, bool>
interface IEqualityOperators<char, char, bool>
interface IDecrementOperators<char>
interface IDivisionOperators<char, char, char>
interface IIncrementOperators<char>
interface IModulusOperators<char, char, char>
interface IMultiplicativeIdentity<char, char>
interface IMultiplyOperators<char, char, char>
interface INumber<char>
interface INumberBase<char>
interface ISubtractionOperators<char, char, char>
interface IUnaryNegationOperators<char, char>
interface IUnaryPlusOperators<char, char>
interface IShiftOperators<char, int, char>
interface IMinMaxValue<char>
interface IUnsignedNumber<char>
type char = struct
interface IConvertible
interface IFormattable
interface IParsable<char>
interface ISpanFormattable
interface ISpanParsable<char>
interface IAdditionOperators<char, char, char>
interface IAdditiveIdentity<char, char>
interface IBinaryInteger<char>
interface IBinaryNumber<char>
interface IBitwiseOperators<char, char, char>
interface IComparisonOperators<char, char, bool>
interface IEqualityOperators<char, char, bool>
interface IDecrementOperators<char>
interface IDivisionOperators<char, char, char>
interface IIncrementOperators<char>
interface IModulusOperators<char, char, char>
interface IMultiplicativeIdentity<char, char>
interface IMultiplyOperators<char, char, char>
interface INumber<char>
interface INumberBase<char>
interface ISubtractionOperators<char, char, char>
interface IUnaryNegationOperators<char, char>
interface IUnaryPlusOperators<char, char>
interface IUtf8SpanFormattable
interface IUtf8SpanParsable<char>
interface IShiftOperators<char, int, char>
interface IMinMaxValue<char>
interface IUnsignedNumber<char>
type char = struct
interface IConvertible
interface IFormattable
interface IParsable<char>
interface ISpanFormattable
interface ISpanParsable<char>
interface IUtf8SpanFormattable
interface IUtf8SpanParsable<char>
interface IAdditionOperators<char, char, char>
interface IAdditiveIdentity<char, char>
interface IBinaryInteger<char>
interface IBinaryNumber<char>
interface IBitwiseOperators<char, char, char>
interface IComparisonOperators<char, char, bool>
interface IEqualityOperators<char, char, bool>
interface IDecrementOperators<char>
interface IDivisionOperators<char, char, char>
interface IIncrementOperators<char>
interface IModulusOperators<char, char, char>
interface IMultiplicativeIdentity<char, char>
interface IMultiplyOperators<char, char, char>
interface INumber<char>
interface INumberBase<char>
interface ISubtractionOperators<char, char, char>
interface IUnaryNegationOperators<char, char>
interface IUnaryPlusOperators<char, char>
interface IShiftOperators<char, int, char>
interface IMinMaxValue<char>
interface IUnsignedNumber<char>
[<System.Serializable>]
type char = struct
interface IConvertible
[<System.Serializable>]
[<System.Runtime.InteropServices.ComVisible(true)>]
type char = struct
interface IConvertible
type char = struct
Public Structure Char
Implements IComparable, IComparable(Of Char), IConvertible, IEquatable(Of Char)
Public Structure Char
Implements IComparable, IComparable(Of Char), IConvertible, IEquatable(Of Char), ISpanFormattable
Public Structure Char
Implements IAdditionOperators(Of Char, Char, Char), IAdditiveIdentity(Of Char, Char), IBinaryInteger(Of Char), IBinaryNumber(Of Char), IBitwiseOperators(Of Char, Char, Char), IComparable(Of Char), IComparisonOperators(Of Char, Char, Boolean), IConvertible, IDecrementOperators(Of Char), IDivisionOperators(Of Char, Char, Char), IEqualityOperators(Of Char, Char, Boolean), IEquatable(Of Char), IIncrementOperators(Of Char), IMinMaxValue(Of Char), IModulusOperators(Of Char, Char, Char), IMultiplicativeIdentity(Of Char, Char), IMultiplyOperators(Of Char, Char, Char), INumber(Of Char), INumberBase(Of Char), IParsable(Of Char), IShiftOperators(Of Char, Integer, Char), ISpanParsable(Of Char), ISubtractionOperators(Of Char, Char, Char), IUnaryNegationOperators(Of Char, Char), IUnaryPlusOperators(Of Char, Char), IUnsignedNumber(Of Char)
Public Structure Char
Implements IAdditionOperators(Of Char, Char, Char), IAdditiveIdentity(Of Char, Char), IBinaryInteger(Of Char), IBinaryNumber(Of Char), IBitwiseOperators(Of Char, Char, Char), IComparable(Of Char), IComparisonOperators(Of Char, Char, Boolean), IConvertible, IDecrementOperators(Of Char), IDivisionOperators(Of Char, Char, Char), IEqualityOperators(Of Char, Char, Boolean), IEquatable(Of Char), IIncrementOperators(Of Char), IMinMaxValue(Of Char), IModulusOperators(Of Char, Char, Char), IMultiplicativeIdentity(Of Char, Char), IMultiplyOperators(Of Char, Char, Char), INumber(Of Char), INumberBase(Of Char), IParsable(Of Char), IShiftOperators(Of Char, Integer, Char), ISpanParsable(Of Char), ISubtractionOperators(Of Char, Char, Char), IUnaryNegationOperators(Of Char, Char), IUnaryPlusOperators(Of Char, Char), IUnsignedNumber(Of Char), IUtf8SpanParsable(Of Char)
Public Structure Char
Implements IComparable, IConvertible
Public Structure Char
Implements IComparable, IComparable(Of Char), IEquatable(Of Char)
- 继承
- 属性
- 实现
-
IComparable IComparable<Char> IConvertible IEquatable<Char> IFormattable ISpanFormattable IComparable<TSelf> IEquatable<TSelf> IParsable<Char> IParsable<TSelf> ISpanParsable<Char> ISpanParsable<TSelf> IAdditionOperators<Char,Char,Char> IAdditionOperators<TSelf,TSelf,TSelf> IAdditiveIdentity<Char,Char> IAdditiveIdentity<TSelf,TSelf> IBinaryInteger<Char> IBinaryNumber<Char> IBinaryNumber<TSelf> IBitwiseOperators<Char,Char,Char> IBitwiseOperators<TSelf,TSelf,TSelf> IComparisonOperators<Char,Char,Boolean> IComparisonOperators<TSelf,TSelf,Boolean> IDecrementOperators<Char> IDecrementOperators<TSelf> IDivisionOperators<Char,Char,Char> IDivisionOperators<TSelf,TSelf,TSelf> IEqualityOperators<Char,Char,Boolean> IEqualityOperators<TSelf,TOther,TResult> IEqualityOperators<TSelf,TSelf,Boolean> IIncrementOperators<Char> IIncrementOperators<TSelf> IMinMaxValue<Char> IModulusOperators<Char,Char,Char> IModulusOperators<TSelf,TSelf,TSelf> IMultiplicativeIdentity<Char,Char> IMultiplicativeIdentity<TSelf,TSelf> IMultiplyOperators<Char,Char,Char> IMultiplyOperators<TSelf,TSelf,TSelf> INumber<Char> INumber<TSelf> INumberBase<Char> INumberBase<TSelf> IShiftOperators<Char,Int32,Char> IShiftOperators<TSelf,Int32,TSelf> ISubtractionOperators<Char,Char,Char> ISubtractionOperators<TSelf,TSelf,TSelf> IUnaryNegationOperators<Char,Char> IUnaryNegationOperators<TSelf,TSelf> IUnaryPlusOperators<Char,Char> IUnaryPlusOperators<TSelf,TSelf> IUnsignedNumber<Char> IUtf8SpanFormattable IUtf8SpanParsable<Char> IUtf8SpanParsable<TSelf>
示例
下面的代码示例演示 中的 Char一些方法。
using namespace System;
int main()
{
char chA = 'A';
char ch1 = '1';
String^ str = "test string";
Console::WriteLine( chA.CompareTo( 'B' ) ); // Output: "-1" (meaning 'A' is 1 less than 'B')
Console::WriteLine( chA.Equals( 'A' ) ); // Output: "True"
Console::WriteLine( Char::GetNumericValue( ch1 ) ); // Output: "1"
Console::WriteLine( Char::IsControl( '\t' ) ); // Output: "True"
Console::WriteLine( Char::IsDigit( ch1 ) ); // Output: "True"
Console::WriteLine( Char::IsLetter( ',' ) ); // Output: "False"
Console::WriteLine( Char::IsLower( 'u' ) ); // Output: "True"
Console::WriteLine( Char::IsNumber( ch1 ) ); // Output: "True"
Console::WriteLine( Char::IsPunctuation( '.' ) ); // Output: "True"
Console::WriteLine( Char::IsSeparator( str, 4 ) ); // Output: "True"
Console::WriteLine( Char::IsSymbol( '+' ) ); // Output: "True"
Console::WriteLine( Char::IsWhiteSpace( str, 4 ) ); // Output: "True"
Console::WriteLine( Char::Parse( "S" ) ); // Output: "S"
Console::WriteLine( Char::ToLower( 'M' ) ); // Output: "m"
Console::WriteLine( 'x' ); // Output: "x"
}
using System;
public class CharStructureSample
{
public static void Main()
{
char chA = 'A';
char ch1 = '1';
string str = "test string";
Console.WriteLine(chA.CompareTo('B')); //----------- Output: "-1" (meaning 'A' is 1 less than 'B')
Console.WriteLine(chA.Equals('A')); //----------- Output: "True"
Console.WriteLine(Char.GetNumericValue(ch1)); //----------- Output: "1"
Console.WriteLine(Char.IsControl('\t')); //----------- Output: "True"
Console.WriteLine(Char.IsDigit(ch1)); //----------- Output: "True"
Console.WriteLine(Char.IsLetter(',')); //----------- Output: "False"
Console.WriteLine(Char.IsLower('u')); //----------- Output: "True"
Console.WriteLine(Char.IsNumber(ch1)); //----------- Output: "True"
Console.WriteLine(Char.IsPunctuation('.')); //----------- Output: "True"
Console.WriteLine(Char.IsSeparator(str, 4)); //----------- Output: "True"
Console.WriteLine(Char.IsSymbol('+')); //----------- Output: "True"
Console.WriteLine(Char.IsWhiteSpace(str, 4)); //----------- Output: "True"
Console.WriteLine(Char.Parse("S")); //----------- Output: "S"
Console.WriteLine(Char.ToLower('M')); //----------- Output: "m"
Console.WriteLine('x'.ToString()); //----------- Output: "x"
}
}
open System
let chA = 'A'
let ch1 = '1'
let str = "test string"
printfn $"{chA.CompareTo 'B'}" //----------- Output: "-1" (meaning 'A' is 1 less than 'B')
printfn $"{chA.Equals 'A'}" //----------- Output: "True"
printfn $"{Char.GetNumericValue ch1}" //----------- Output: "1"
printfn $"{Char.IsControl '\t'}" //----------- Output: "True"
printfn $"{Char.IsDigit ch1}" //----------- Output: "True"
printfn $"{Char.IsLetter ','}" //----------- Output: "False"
printfn $"{Char.IsLower 'u'}" //----------- Output: "True"
printfn $"{Char.IsNumber ch1}" //----------- Output: "True"
printfn $"{Char.IsPunctuation '.'}" //----------- Output: "True"
printfn $"{Char.IsSeparator(str, 4)}" //----------- Output: "True"
printfn $"{Char.IsSymbol '+'}" //----------- Output: "True"
printfn $"{Char.IsWhiteSpace(str, 4)}" //----------- Output: "True"
printfn $"""{Char.Parse "S"}""" //----------- Output: "S"
printfn $"{Char.ToLower 'M'}" //----------- Output: "m"
printfn $"{'x'}" //----------- Output: "x"
Module CharStructure
Public Sub Main()
Dim chA As Char
chA = "A"c
Dim ch1 As Char
ch1 = "1"c
Dim str As String
str = "test string"
Console.WriteLine(chA.CompareTo("B"c)) ' Output: "-1" (meaning 'A' is 1 less than 'B')
Console.WriteLine(chA.Equals("A"c)) ' Output: "True"
Console.WriteLine(Char.GetNumericValue(ch1)) ' Output: "1"
Console.WriteLine(Char.IsControl(Chr(9))) ' Output: "True"
Console.WriteLine(Char.IsDigit(ch1)) ' Output: "True"
Console.WriteLine(Char.IsLetter(","c)) ' Output: "False"
Console.WriteLine(Char.IsLower("u"c)) ' Output: "True"
Console.WriteLine(Char.IsNumber(ch1)) ' Output: "True"
Console.WriteLine(Char.IsPunctuation("."c)) ' Output: "True"
Console.WriteLine(Char.IsSeparator(str, 4)) ' Output: "True"
Console.WriteLine(Char.IsSymbol("+"c)) ' Output: "True"
Console.WriteLine(Char.IsWhiteSpace(str, 4)) ' Output: "True"
Console.WriteLine(Char.Parse("S")) ' Output: "S"
Console.WriteLine(Char.ToLower("M"c)) ' Output: "m"
Console.WriteLine("x"c.ToString()) ' Output: "x"
End Sub
End Module
注解
有关此 API 的详细信息,请参阅 Char 的补充 API 说明。
字段
MaxValue |
表示 Char 的最大可能值。 此字段为常数。 |
MinValue |
表示 Char 的最小可能值。 此字段为常数。 |
方法
CompareTo(Char) |
将此实例与指定的 Char 对象进行比较,并指示此实例在排序顺序中是位于指定的 Char 对象之前、之后还是与其出现在同一位置。 |
CompareTo(Object) |
将此实例与指定的对象进行比较,并指示此实例在排序顺序中是位于指定的 Object 之前、之后还是与其出现在同一位置。 |
ConvertFromUtf32(Int32) |
将指定的 Unicode 码位转换为 UTF-16 编码字符串。 |
ConvertToUtf32(Char, Char) |
将 UTF-16 编码的代理项对的值转换为 Unicode 码位。 |
ConvertToUtf32(String, Int32) |
将字符串中指定位置的 UTF-16 编码字符或代理项对的值转换为 Unicode 码位。 |
Equals(Char) |
返回一个值,该值指示此实例是否与指定的 Char 对象相等。 |
Equals(Object) |
返回一个值,该值指示此实例是否与指定的对象相等。 |
GetHashCode() |
返回此实例的哈希代码。 |
GetNumericValue(Char) |
将指定的数字 Unicode 字符转换为双精度浮点数。 |
GetNumericValue(String, Int32) |
将指定字符串中位于指定位置的数字 Unicode 字符转换为双精度浮点数。 |
GetTypeCode() | |
GetUnicodeCategory(Char) |
将指定的 Unicode 字符分类到由一个 UnicodeCategory 值标识的组中。 |
GetUnicodeCategory(String, Int32) |
将指定字符串中位于指定位置的字符分类到由一个 UnicodeCategory 值标识的组中。 |
IsAscii(Char) |
|
IsAsciiDigit(Char) |
指示字符是否分类为 ASCII 数字。 |
IsAsciiHexDigit(Char) |
指示字符是否分类为 ASCII 六边形数字。 |
IsAsciiHexDigitLower(Char) |
指示字符是否分类为 ASCII 小写六进制数字。 |
IsAsciiHexDigitUpper(Char) |
指示字符是否归类为 ASCII 大写六边形数字。 |
IsAsciiLetter(Char) |
指示字符是否归类为 ASCII 字母。 |
IsAsciiLetterLower(Char) |
指示字符是否分类为小写 ASCII 字母。 |
IsAsciiLetterOrDigit(Char) |
指示字符是分类为 ASCII 字母还是数字。 |
IsAsciiLetterUpper(Char) |
指示字符是否归类为大写 ASCII 字母。 |
IsBetween(Char, Char, Char) |
指示字符是否在指定的非独占范围内。 |
IsControl(Char) |
指示指定的 Unicode 字符是否属于控制字符类别。 |
IsControl(String, Int32) |
指示指定字符串中位于指定位置处的字符是否属于控制字符类别。 |
IsDigit(Char) |
指示指定的 Unicode 字符是否属于十进制数字类别。 |
IsDigit(String, Int32) |
指示指定字符串中位于指定位置处的字符是否属于十进制数字类别。 |
IsHighSurrogate(Char) |
指示指定的 Char 对象是否是一个高代理项。 |
IsHighSurrogate(String, Int32) |
指示字符串中指定位置处的 Char 对象是否为高代理项。 |
IsLetter(Char) |
指示指定的 Unicode 字符是否属于 Unicode 字母类别。 |
IsLetter(String, Int32) |
指示指定字符串中位于指定位置处的指定字符串是否属于 Unicode 字母类别。 |
IsLetterOrDigit(Char) |
指示指定的 Unicode 字符是否属于字母或十进制数字类别。 |
IsLetterOrDigit(String, Int32) |
指示指定字符串中位于指定位置处的字符是否属于字母或十进制数字类别。 |
IsLower(Char) |
指示指定的 Unicode 字符是否属于小写字母类别。 |
IsLower(String, Int32) |
指示指定字符串中位于指定位置处的字符是否属于小写字母类别。 |
IsLowSurrogate(Char) |
指示指定的 Char 对象是否是一个低代理项。 |
IsLowSurrogate(String, Int32) |
指示字符串中指定位置处的 Char 对象是否为低代理项。 |
IsNumber(Char) |
指示指定的 Unicode 字符是否属于数字类别。 |
IsNumber(String, Int32) |
指示指定字符串中位于指定位置的字符是否属于数字类别。 |
IsPunctuation(Char) |
指示指定的 Unicode 字符是否属于标点符号类别。 |
IsPunctuation(String, Int32) |
指示指定字符串中位于指定位置处的字符是否属于标点符号类别。 |
IsSeparator(Char) |
指示指定的 Unicode 字符是否属于分隔符类别。 |
IsSeparator(String, Int32) |
指示指定字符串中位于指定位置处的字符是否属于分隔符类别。 |
IsSurrogate(Char) |
指示指定的字符是否具有指定的代理项代码单位。 |
IsSurrogate(String, Int32) |
指示指定字符串中位于指定位置的字符是否具有代理项代码单位。 |
IsSurrogatePair(Char, Char) |
指示两个指定的 Char 对象是否形成一个代理项对。 |
IsSurrogatePair(String, Int32) |
指示字符串中指定位置处的两个相邻 Char 对象是否形成一个代理项对。 |
IsSymbol(Char) |
指示指定的 Unicode 字符是否属于符号字符类别。 |
IsSymbol(String, Int32) |
指示指定字符串中位于指定位置处的字符是否属于符号字符类别。 |
IsUpper(Char) |
指示指定的 Unicode 字符是否属于大写字母类别。 |
IsUpper(String, Int32) |
指示指定字符串中位于指定位置处的字符是否属于大写字母类别。 |
IsWhiteSpace(Char) |
指示指定的 Unicode 字符是否属于空格类别。 |
IsWhiteSpace(String, Int32) |
指示指定字符串中位于指定位置处的字符是否属于空格类别。 |
Parse(String) |
将指定字符串的值转换为它的等效 Unicode 字符。 |
ToLower(Char) |
将 Unicode 字符的值转换为它的小写等效项。 |
ToLower(Char, CultureInfo) |
使用指定的区域性特定格式设置信息将指定 Unicode 字符的值转换为它的小写等效项。 |
ToLowerInvariant(Char) |
使用固定区域性的大小写规则,将 Unicode 字符的值转换为其小写等效项。 |
ToString() |
将此实例的值转换为其等效的字符串表示形式。 |
ToString(Char) |
将指定的 Unicode 字符转换为它的等效字符串表示形式。 |
ToString(IFormatProvider) |
使用指定的区域性特定格式信息将此实例的值转换为它的等效字符串表示形式。 |
ToUpper(Char) |
将 Unicode 字符的值转换为它的大写等效项。 |
ToUpper(Char, CultureInfo) |
使用指定的区域性特定格式设置信息将指定 Unicode 字符的值转换为它的大写等效项。 |
ToUpperInvariant(Char) |
使用固定区域性的大小写规则,将 Unicode 字符的值转换为其大写等效项。 |
TryParse(String, Char) |
将指定字符串的值转换为它的等效 Unicode 字符。 一个指示转换是成功还是失败的返回代码。 |
显式接口实现
适用于
线程安全性
此类型的所有成员都是线程安全的。 看起来修改实例状态的成员实际上返回使用新值初始化的新实例。 与任何其他类型一样,读取和写入包含此类型的实例的共享变量必须受到锁的保护,以确保线程安全。
另请参阅
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