System.IO 4.0.10-beta-22416
Provides base input and output (I/O) types, including System.IO.Stream, System.IO.StreamReader and System.IO.StreamWriter, that allow reading and writing to data streams
Commonly Used Types:
System.IO.Stream
System.IO.IOException
System.IO.EndOfStreamException
System.IO.FileNotFoundException
System.IO.MemoryStream
System.IO.StreamReader
System.IO.StreamWriter
System.IO.StringWriter
System.IO.TextWriter
System.IO.TextReader
Showing the top 20 packages that depend on System.IO.
| Packages | Downloads |
|---|---|
|
Microsoft.Build
This package contains the Microsoft.Build assembly which is used to create, edit, and evaluation MSBuild projects.
|
4 |
|
Microsoft.NETCore
Provides a set of packages that can be used when building portable libraries on .NETCore based platforms.
|
4 |
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NETStandard.Library
A set of standard .NET APIs that are prescribed to be used and supported together. This includes all of the APIs in the NETStandard.Platform package plus additional libraries that are core to .NET but built on top of NETStandard.Platform.
When using NuGet 3.x this package requires at least version 3.4.
|
16 |
|
StackExchange.Redis
High performance Redis client, incorporating both synchronous and asynchronous usage.
|
4 |
|
System.Console
Provides the System.Console class, which represents the standard input, output and error streams for console applications.
Commonly Used Types:
System.Console
System.ConsoleColor
|
4 |
|
System.Data.Common
Provides the base abstract classes, including System.Data.DbConnection and System.Data.DbCommand, for all data providers.
Commonly Used Types:
System.DBNull
System.Data.Common.DbConnection
System.Data.Common.DbException
System.Data.Common.DbParameter
System.Data.DbType
System.Data.Common.DbDataReader
System.Data.Common.DbCommand
System.Data.Common.DbTransaction
System.Data.Common.DbParameterCollection
System.Data.Common.DbProviderFactory
|
4 |
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System.IO.UnmanagedMemoryStream
Provides classes for access to unmanaged blocks of memory from managed code.
Commonly Used Types:
System.IO.UnmanagedMemoryStream
System.IO.UnmanagedMemoryAccessor
|
4 |
|
System.Linq.Expressions
Provides classes, interfaces and enumerations that enable language-level code expressions to be represented as objects in the form of expression trees.
Commonly Used Types:
System.Linq.IQueryable<T>
System.Linq.IQueryable
System.Linq.Expressions.Expression<TDelegate>
System.Linq.Expressions.Expression
System.Linq.Expressions.ExpressionVisitor
When using NuGet 3.x this package requires at least version 3.4.
|
5 |
|
System.Net.Http
Provides a programming interface for modern HTTP applications, including HTTP client components that allow applications to consume web services over HTTP and HTTP components that can be used by both clients and servers for parsing HTTP headers.
Commonly Used Types:
System.Net.Http.HttpResponseMessage
System.Net.Http.DelegatingHandler
System.Net.Http.HttpRequestException
System.Net.Http.HttpClient
System.Net.Http.MultipartContent
System.Net.Http.Headers.HttpContentHeaders
System.Net.Http.HttpClientHandler
System.Net.Http.StreamContent
System.Net.Http.FormUrlEncodedContent
System.Net.Http.HttpMessageHandler
When using NuGet 3.x this package requires at least version 3.4.
|
4 |
|
System.Net.Sockets
Provides a managed implementation of the Windows Sockets (Winsock) interface for developers who need to tightly control access to the network.
Commonly Used Types:
System.Net.Sockets.Socket
System.Net.Sockets.SocketAsyncEventArgs
System.Net.Sockets.LingerOption
System.Net.Sockets.SocketAsyncOperation
System.Net.Sockets.ProtocolType
System.Net.Sockets.NetworkStream
System.Net.Sockets.TcpClient
System.Net.Sockets.SocketType
System.Net.Sockets.UdpClient
System.Net.Sockets.SocketShutdown
|
4 |
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System.Net.Sockets
Provides classes such as Socket, TcpClient and UdpClient, which enable developers to send and receive data over the network.
Commonly Used Types:
System.Net.Sockets.Socket
System.Net.Sockets.SocketAsyncEventArgs
System.Net.Sockets.LingerOption
System.Net.Sockets.SocketAsyncOperation
System.Net.Sockets.ProtocolType
System.Net.Sockets.NetworkStream
System.Net.Sockets.TcpClient
System.Net.Sockets.SocketType
System.Net.Sockets.UdpClient
System.Net.Sockets.SocketShutdown
When using NuGet 3.x this package requires at least version 3.4.
|
4 |
|
System.Reflection
Provides types that retrieve information about assemblies, modules, members, parameters, and other entities in managed code by examining their metadata. These types also can be used to manipulate instances of loaded types, for example to hook up events or to invoke methods.
Commonly Used Types:
System.Reflection.MethodInfo
System.Reflection.PropertyInfo
System.Reflection.ParameterInfo
System.Reflection.FieldInfo
System.Reflection.ConstructorInfo
System.Reflection.Assembly
System.Reflection.MemberInfo
System.Reflection.EventInfo
System.Reflection.Module
|
4 |
|
System.Reflection.Emit
Provides classes that allow a compiler or tool to emit metadata and optionally generate a PE file on disk. The primary clients of these classes are script engines and compilers.
Commonly Used Types:
System.Reflection.Emit.AssemblyBuilder
System.Reflection.Emit.FieldBuilder
System.Reflection.Emit.TypeBuilder
System.Reflection.Emit.MethodBuilder
System.Reflection.Emit.ConstructorBuilder
System.Reflection.Emit.GenericTypeParameterBuilder
System.Reflection.Emit.ModuleBuilder
System.Reflection.Emit.PropertyBuilder
System.Reflection.Emit.AssemblyBuilderAccess
System.Reflection.Emit.EventBuilder
When using NuGet 3.x this package requires at least version 3.4.
|
5 |
|
System.Runtime.Serialization.Xml
Provides classes for serializing objects to the Extensible Markup Language (XML) and deserializing XML data to objects.
Commonly Used Types:
System.Runtime.Serialization.DataContractSerializer
System.Runtime.Serialization.XmlObjectSerializer
System.Runtime.Serialization.InvalidDataContractException
System.Xml.XmlDictionaryReader
System.Xml.XmlDictionaryWriter
System.Xml.XmlDictionaryString
System.Xml.UniqueId
System.Xml.XmlDictionaryReaderQuotas
System.Runtime.Serialization.DataContractResolver
System.Xml.IXmlDictionary
|
4 |
|
System.Security.Cryptography.Algorithms
Provides base types for cryptographic algorithms, including hashing, encryption, and signing operations.
Commonly Used Types:
System.Security.Cryptography.Aes
System.Security.Cryptography.RSA
System.Security.Cryptography.RSAParameters
System.Security.Cryptography.HMACSHA1
System.Security.Cryptography.SHA256
System.Security.Cryptography.SHA1
System.Security.Cryptography.SHA512
System.Security.Cryptography.SHA384
System.Security.Cryptography.HMACSHA256
System.Security.Cryptography.MD5
System.Security.Cryptography.HMACSHA384
System.Security.Cryptography.HMACSHA512
|
4 |
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System.Security.Cryptography.Algorithms
Provides base types for cryptographic algorithms, including hashing, encryption, and signing operations.
Commonly Used Types:
System.Security.Cryptography.Aes
System.Security.Cryptography.RSA
System.Security.Cryptography.RSAParameters
System.Security.Cryptography.HMACSHA1
System.Security.Cryptography.SHA256
System.Security.Cryptography.SHA1
System.Security.Cryptography.SHA512
System.Security.Cryptography.SHA384
System.Security.Cryptography.HMACSHA256
System.Security.Cryptography.MD5
System.Security.Cryptography.HMACSHA384
System.Security.Cryptography.HMACSHA512
When using NuGet 3.x this package requires at least version 3.4.
|
4 |
|
System.Security.Cryptography.Cng
Provides cryptographic algorithm implementations and key management with Windows Cryptographic Next Generation API (CNG).
Commonly Used Types:
System.Security.Cryptography.RSACng
System.Security.Cryptography.ECDsaCng
System.Security.Cryptography.CngKey
30ab651fcb4354552bd4891619a0bdd81e0ebdbf
When using NuGet 3.x this package requires at least version 3.4.
|
5 |
|
System.Security.Cryptography.Cng
Provides cryptographic algorithm implementations and key management with Windows Cryptographic Next Generation API (CNG).
Commonly Used Types:
System.Security.Cryptography.RSACng
System.Security.Cryptography.ECDsaCng
System.Security.Cryptography.CngKey
When using NuGet 3.x this package requires at least version 3.4.
|
12 |
|
System.Xml.ReaderWriter
Provides provides a fast, non-cached, forward-only way to read and write Extensible Markup Language (XML) data.
Commonly Used Types:
System.Xml.XmlNodeType
System.Xml.XmlException
System.Xml.XmlReader
System.Xml.XmlWriter
System.Xml.IXmlLineInfo
System.Xml.XmlNameTable
System.Xml.IXmlNamespaceResolver
System.Xml.XmlNamespaceManager
System.Xml.XmlQualifiedName
When using NuGet 3.x this package requires at least version 3.4.
|
4 |
|
System.Xml.XmlSerializer
Provides classes for serializing objects to the Extensible Markup Language (XML) and deserializing XML data to objects.
Commonly Used Types:
System.Xml.Serialization.IXmlSerializable
System.Xml.Serialization.XmlSerializer
System.Xml.Serialization.XmlIgnoreAttribute
System.Xml.Serialization.XmlElementAttribute
System.Xml.Serialization.XmlAttributeAttribute
System.Xml.Serialization.XmlArrayAttribute
System.Xml.Serialization.XmlRootAttribute
System.Xml.Serialization.XmlArrayItemAttribute
System.Xml.Serialization.XmlTypeAttribute
System.Xml.Serialization.XmlEnumAttribute
|
4 |
Any 0.0
- System.Runtime (>= 4.0.20-beta-22416)
- System.Text.Encoding (>= 4.0.0-beta-22416)
- System.Threading.Tasks (>= 4.0.0-beta-22416)
| Version | Downloads | Last updated |
|---|---|---|
| 4.3.0 | 2 | 05/16/2026 |
| 4.3.0-preview1-24530-04 | 3 | 04/24/2026 |
| 4.1.0 | 3 | 04/24/2026 |
| 4.1.0-rc2-24027 | 3 | 04/24/2026 |
| 4.0.11-beta-23516 | 3 | 04/24/2026 |
| 4.0.11-beta-23409 | 3 | 04/24/2026 |
| 4.0.11-beta-23225 | 3 | 04/24/2026 |
| 4.0.10 | 3 | 04/24/2026 |
| 4.0.10-beta-23109 | 3 | 04/24/2026 |
| 4.0.10-beta-23019 | 3 | 04/24/2026 |
| 4.0.10-beta-22816 | 3 | 04/24/2026 |
| 4.0.10-beta-22605 | 3 | 04/24/2026 |
| 4.0.10-beta-22416 | 3 | 04/24/2026 |
| 4.0.10-beta-22231 | 3 | 04/24/2026 |
| 4.0.0 | 3 | 04/24/2026 |
| 4.0.0-beta-23109 | 3 | 04/25/2026 |
| 4.0.0-beta-23019 | 3 | 04/25/2026 |