C# (CSharp) System Namespace

Nested Namespaces

System.Activities
System.Application
System.BluetoothLe
System.Buffers
System.CodeDom
System.Collections
System.CommandLine
System.Common
System.ComponentModel
System.Composition
System.Configuration
System.Data
System.Deployment
System.Device
System.Diagnostics
System.DirectoryServices
System.Drawing
System.Dynamic
System.EnterpriseServices
System.Foo
System.Formats
System.GAC
System.GCs
System.Globalization
System.Html
System.IO
System.IdentityModel
System.Internal
System.Json
System.Linq
System.Management
System.MathBenchmarks
System.Media
System.Net
System.Numerics
System.PEStructures
System.Perf
System.Performance
System.PrivateUri
System.Properties
System.Reactive
System.Reflection
System.Resources
System.Runtime
System.Security
System.ServiceModel
System.ServiceProcess
System.SpanTests
System.Speech
System.Sql
System.StorageModel
System.Tests
System.Text
System.Threading
System.Timers
System.Tools
System.Traits
System.Transactions
System.UnitTest
System.Utilities
System.Waf
System.Web
System.WinApi
System.Windows
System.Workflow
System.Xaml
System.Xml
System.Yaml
System.util

Classes

Name Description
@__ArgumentException
@__ArgumentException.ContructionHelper
@__Array
@__Array.ContructionHelper
@__AsyncCallback
@__AsyncCallback.ContructionHelper
@__Console
@__Console.ContructionHelper
@__DateTime
@__DateTime.ContructionHelper
@__Decimal
@__Decimal.ContructionHelper
@__Delegate
@__Delegate.ContructionHelper
@__Enum
@__Enum.ContructionHelper
@__Environment
@__Environment.ContructionHelper
@__Guid
@__Guid.ContructionHelper
@__IAsyncResult
@__IAsyncResult.ContructionHelper
@__ICloneable
@__ICloneable.ContructionHelper
@__IComparable
@__IComparable.ContructionHelper
@__IConvertible
@__IConvertible.ContructionHelper
@__IDisposable
@__IDisposable.ContructionHelper
@__IFormatProvider
@__IFormatProvider.ContructionHelper
@__IFormattable
@__IFormattable.ContructionHelper
@__InvalidOperationException
@__InvalidOperationException.ContructionHelper
@__MarshalByRefObject
@__MarshalByRefObject.ContructionHelper
@__MulticastDelegate
@__MulticastDelegate.ContructionHelper
@__NotImplementedException
@__NotImplementedException.ContructionHelper
@__NotSupportedException
@__NotSupportedException.ContructionHelper
@__NullReferenceException
@__NullReferenceException.ContructionHelper
@__Object
@__Object.ContructionHelper
@__String
@__String.ContructionHelper
@__SystemException
@__SystemException.ContructionHelper
@__Type
@__Type.ContructionHelper
@__ValueType
@__ValueType.ContructionHelper
ASSERT
AccessViolationException
ActivationContext
AddressGetEventArgs
AesDecryptEventArgs
AesEncryptEventArgs
AesSetkeyEventArgs
AggregateException
AppContextDefaultValues
AppDomain
AppDomain.AppDomain
AppDomain.AppDomain.Initializer
AppDomain.AppDomain.Loader
AppDomain.EvidenceCollection
AppDomainExtensions Contains useful extension methods for AppDomain class.
AppDomainInitializerInfo
AppDomainInitializerInfo.ItemInfo
AppDomainManager
AppDomainSetup
AppDomainSetup.AppDomainSetup
AppDomainUnloadedException
AppThemeEnumExtensions
ApplicationException
ApplicationId
ApplicationIdTests
ApplicationIdentity
ArchitectureEnumExtensions
ArgIterator
ArgumentException
ArgumentException_
ArgumentNullException
ArgumentOutOfRangeException
ArgumentPropertyException
ArgumentPropertyNullException
ArithmeticException
Array
ArrayTypeMismatchException
Array_
AssemblyHandle
AssemblyLoadEventArgs
AssemblyVersionInformation
AsyncCallback_
Attribute
Attribute.Attribute
AttributeUsageAttribute
BCLDebug
BRECORD
BadImageFormatException
Base2
BitConverter
BootEventArgs
Buffer
Byte
ByteMatcher
CLSCompliantAttribute
CSharpHelpers
CannotUnloadAppDomainException
Char
CharExtensions
CharInfo
ColorExtensions
CompatibilityExtensions
ConfigNode
ConfigServer
ConfigTreeParser
Console
Console.ControlCDelegateData
Console.ControlCHooker
Console.NSLogWriter
Console.WindowsConsole
ConsoleCancelEventArgs
ConsoleCursorInfo
ConsoleDriver
ConsoleKeyInfo
ConsolePal
ConsolePal.ControlCHandlerRegistrar
ConsolePal.TerminalFormatStrings Provides format strings and related information for use with the current terminal.
ConsolePal.UnixConsoleStream Provides a stream to use for Unix console input or output.
ConsolePal.WindowsConsoleStream
ConsoleScreenBufferInfo
Console_
ContextBoundObject
ContextMarshalException
ContextStaticAttribute
Contract
ControlCharacters
Convert
Convert.Convert
ConvertSL
Coord
CoreLib
CultureAwareComparer
Currency
CurrentSystemTimeZone
DBNull
DBNullImport
DIndices
DTSubString
DataMisalignedException
Date Represents the ECMA Date object.
DateTimeEpochExtensions
DateTimeExtension
DateTimeExtensions
DateTimeFormat
DateTimeOffsetExtensions
DateTimeParse
DateTimeRawInfo
DateTimeResult
DateTimeToken
DateTimeUtils
DateTime_
DatetimeExtensions
DebugEventArgs
Decimal_
DefaultBinder
DefaultBinder.BinderState
Delegate
DelegateData
DelegateSerializationHolder
DelegateSerializationHolder.DelegateEntry
Delegate_
Delimiter
DivideByZeroException
DllNotFoundException
DomainNameHelper
DoubleExtensions
DownloadLinks
DuplicateWaitObjectException
EditTextExtensions EditText 类的扩展函数集
Empty Represents a static instance without a value.
EmptyImport
EncryptHelper 加密辅助类,该类里面皆为string的拓展方法
EncryptionUtils
EndpointRXEventArgs
EndpointSetWatermarksEventArgs
EndpointTXEventArgs
EndpointWatermarkRXEventArgs
EndpointWatermarkTXEventArgs
EntryPointNotFoundException
Enum
Enum.HashEntry
EnumCompatability
EnumExtensionMethods
EnumExtensions_Tests
EnumSL
Enum_
Environment
Environment.Environment
Environment.ResourceHelper
Environment.ResourceHelper.GetResourceStringUserData
Environment.SpecialFolderOptionValues
Environment.SpecialFolderValues
EnvironmentX
Environment_
EventArgs
Exception
Exception.Exception
ExceptionExtensions Provides useful exception extension methods.
ExecutionEngineException
ExtensionMethods
Extensions Utils class.
ExternDll
FastArrayHandle
FieldAccessException
FieldReflectionLibrary
FileStyleUriParser
Flags
FlagsAttribute
FormatException
FormattableString
FoundBugException
FtpStyleUriParser
GC
GenericUriParser
GetConnectionsEventArgs
GetCountersEventArgs
GetInfoEventArgs
GopherStyleUriParser
GuidExtension
Guid_
HResults
HashCode Provides methods for calculating and combining hash codes.
HashID
Hashing
Hashs_V2019
Hashs_V2019.ByteArray
Hashs_V2019.String
Hashs_V2019.String.Length
HelloEventArgs
HexConvert
HleIoDrvFileArgExtensions
HttpStyleUriParser
IAsyncResult_
ICloneable_
IComparable_
IConvertible_
IDisposable_
IFormatProvider_
IFormattable_
IHleIoDriverExtensions
IKVMInterop
IKVMReader
IKVMWriter
IPv4AddressHelper
IPv6AddressHelper
IndexOutOfRangeException
InputRecord
InsufficientMemoryException
Int16
Int32 System int implementation, exposed as ECMA Number.
IntExtensions
IntPtr
InvalidCastException
InvalidOperationException
InvalidOperationException_
InvalidProgramException
InvalidTimeZoneException
InvariantComparer
ItemNotFoundException
JsonExtensions
KnownTerminals
LOGIC
LambdaProcessor
LdapStyleUriParser
LdsSyncHelper
LoaderOptimizationAttribute
LocalAppContext
LocalAppContextSwitches
LocalDataStore
LocalDataStoreMgr
LocalDataStoreSlot
MTAThreadAttribute
MarshalByRefObject
MarshalByRefObject_
Math
Math.Math
MathF
Mda
MemberAccessException
MethodAccessException
MethodDescChunkHandle
MethodExtension
MethodReflectionLibrary
MissingFieldException
MissingMemberException
MissingMethodException
ModuleHandle
MonoAsyncCall
MonoCustomAttrs
MonoCustomAttrs.AttributeInfo
MonoType
MonoTypeInfo
MulticastDelegate
MulticastDelegate_
MulticastNotSupportedException
NetPipeStyleUriParser
NetTcpStyleUriParser
NewsStyleUriParser
NoLicenseKeyEventArgs
NonSerializedAttribute
NotCancelableException
NotFiniteNumberException
NotImplemented
NotImplementedException
NotImplementedException_
NotSupportedException
NotSupportedException_
NullConsoleDriver
NullReferenceException
NullReferenceException_
Number
Number.NumberBuffer
NumberExtensions Number extensions classes
NumberFormatter
NumberFormatter.CustomInfo
Numbers
NumericExtensions
Object
ObjectDisposedException
ObjectExtension
ObjectExtensions
ObjectExtentions
Object_
ObsoleteAttribute
OleAutBinder
OperatingSystem
OperationCanceledException
OrdinalComparer
OutOfMemoryException
OverflowException
ParallelPlus
ParamArrayAttribute
ParameterizedStrings Provides support for evaluating parameterized terminfo database format strings.
ParameterizedStrings.FormatParam Represents a parameter to a terminfo formatting string. It is a discriminated union of either an integer or a string, with characters represented as integers.
ParameterizedStrings.LowLevelStack Provides a basic stack data structure.
ParseNumbers
ParserState
ParsingInfo
PlatformDetection
PlatformDetection.IdVersionPair
PlatformDetection.RTL_OSVERSIONINFOEX
PlatformNotSupportedException
ProcessStateException
PropertyReflectionLibrary
ProtocolErrorEventArgs
Random
Random.ImplBase Base type for all generator implementations that plug into the base Random.
Range
RankException
ReadMemoryEventArgs
ReadOnlySpanExtensions Extension methods for ReadOnlySpan<T>.
ReflectionExtensions
ReflectionLibrary
ReflectionOnlyType
RegReadEventArgs
RegWriteEventArgs
ResId
ResetEventArgs
ResolveEventArgs
Resolver
Resolver.CORINFO_EH_CLAUSE
RuntimeArgumentHandle
RuntimeAssembly
RuntimeCustomAttributeData
RuntimeFieldHandle
RuntimeMethodHandle
RuntimeType
RuntimeTypeHandle
RuntimeTypeHandle.IntroducedMethodEnumerator
RuntimeTypeInfo
SByte
SR
SRCategoryAttribute
SRDescriptionAttribute
STAThreadAttribute
SafeDisposable Implements the recommended disposable pattern with additional logic for preventing the object for being disposed twice.
ScriptFailureEventArgs
ScrollViewExtensions
SecurityUtils
SegmentMapping Represents a segment mapping. A segment mapping maps a segment of the first series (like a consecutive part of an array or a string) to a segment of the second series.
SerializableAttribute
SetupFixture
SharedStatics
Signature
SignatureStruct
SingleExtensions
SliceHelpers Internal helper methods used for implementing Slice.
SmallRect
SpanExtensions A collection of convenient span helpers, exposed as extension methods.
SqlDateFunctionAttribute
SqlFunctionAttribute
SqlSyntaxErrorException Sql Syntax Error Exception
StableCompositeDisposable
StackOverflowException
StreamExtensions
StringBuilderExtensions
StringEx
StringEx.StringWithNegation
StringExtension
StringExtensionMethods
StringExtensions
StringExtensionsTests
StringHelper 字符串操作类 1、GetStrArray(string str, char speater, bool toLower) 把字符串按照分隔符转换成 List 2、GetStrArray(string str) 把字符串转 按照, 分割 换为数据 3、GetArrayStr(List list, string speater) 把 List 按照分隔符组装成 string 4、GetArrayStr(List list) 得到数组列表以逗号分隔的字符串 5、GetArrayValueStr(Dictionary list)得到数组列表以逗号分隔的字符串 6、DelLastComma(string str)删除最后结尾的一个逗号 7、DelLastChar(string str, string strchar)删除最后结尾的指定字符后的字符 8、ToSBC(string input)转全角的函数(SBC case) 9、ToDBC(string input)转半角的函数(SBC case) 10、GetSubStringList(string o_str, char sepeater)把字符串按照指定分隔符装成 List 去除重复 11、GetCleanStyle(string StrList, string SplitString)将字符串样式转换为纯字符串 12、GetNewStyle(string StrList, string NewStyle, string SplitString, out string Error)将字符串转换为新样式 13、SplitMulti(string str, string splitstr)分割字符串 14、SqlSafeString(string String, bool IsDel)
StringLocalizationExtensions
StringNormalizationExtensions
String_
Strings
SwitchCaseDefaultException
SwitchStructure
SystemException
SystemException_
TableValuedSqlFunctionAttribute
Temperature Helper methods for temperature conversion
TermInfo.Database Provides a terminfo database.
TermInfo.ParameterizedStrings Provides support for evaluating parameterized terminfo database format strings.
TermInfo.ParameterizedStrings.FormatParam Represents a parameter to a terminfo formatting string. It is a discriminated union of either an integer or a string, with characters represented as integers.
TermInfoDriver
TermInfoReader
TerminalConstants
ThreadStaticAttribute
ThrowHelper
TimeSpanExtensions
TimeType
TimeUtils
TimeZone
TimeZoneInfo
TimeZoneNotFoundException
TimeoutException
Type Represents type declarations: class types, interface types, array types, value types, and enumeration types.
TypeExtensionMethods
TypeExtensions
TypeInitializationException
TypeLoadException
TypeUnloadedException
Type_
TypedDefaultExtensions
TypedReference
UInt16
UInt32
UIntPtr
UnSafeCharBuffer
UnauthorizedAccessException
UncNameHelper
UnhandledExceptionEventArgs
UnitTestHelper
UnitySerializationHolder
Uri
Uri.MoreInfo
Uri.Offset
Uri.Uri
Uri.Uri.UriScheme
Uri.UriInfo
Uri.UriScheme
UriBuilder
UriBuilderExtensions
UriExtensions Provides useful Uri extension methods.
UriExtensionsTests
UriFormatException
UriParseComponents
UriParser
UriParser.BuiltInUriParser
UriTemplate
UriTypeConverter
UriTypeConverter.UriTypeConverter
Utf8String
ValueType
ValueType_
Variant
VarintBitConverter
WeakReference
WhitelistAppendEventArgs
WhitelistClearEventArgs
WhitelistRemoveEventArgs
WindowsConsoleDriver
ZXPCBBox
ZXPCBoolean
ZXPCByte
ZXPCColor
ZXPCDecimal
ZXPCDouble
ZXPCExt
ZXPCFloat
ZXPCInt
ZXPCLong
ZXPCPoint
ZXPCRectangle
ZXPCSByte
ZXPCShort
ZXPCString
ZXPCUInt
ZXPCULong
ZXPCUShort
ZXPCVector2
ZXPCVector3
ZXPCVector4
ZXPDatum
ZXPFunc
ZXPProxy
ZXParseAttribute
ZXParser
_Proxy
__ComObject
__DTString
__Exception
__Filters
__HResults
__Object
__Proxy