System.IO 4.3.0
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.EndOfStreamException
System.IO.MemoryStream
System.IO.StreamReader
System.IO.StreamWriter
System.IO.StringWriter
System.IO.TextWriter
System.IO.TextReader
When using NuGet 3.x this package requires at least version 3.4.
Showing the top 20 packages that depend on System.IO.
| Packages | Downloads |
|---|---|
|
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.
|
13 |
|
System.Security.Cryptography.X509Certificates
Provides types for reading, exporting and verifying Authenticode X.509 v3 certificates. These certificates are signed with a private key that uniquely and positively identifies the holder of the certificate.
Commonly Used Types:
System.Security.Cryptography.X509Certificates.X509Certificate2
System.Security.Cryptography.X509Certificates.X509Certificate
System.Security.Cryptography.X509Certificates.X509ContentType
System.Security.Cryptography.X509Certificates.StoreLocation
System.Security.Cryptography.X509Certificates.StoreName
System.Security.Cryptography.X509Certificates.X509FindType
System.Security.Cryptography.X509Certificates.X509ChainStatus
System.Security.Cryptography.X509Certificates.X509Certificate2Collection
System.Security.Cryptography.X509Certificates.X509EnhancedKeyUsageExtension
System.Security.Cryptography.X509Certificates.X509Chain
When using NuGet 3.x this package requires at least version 3.4.
|
12 |
|
System.Security.Cryptography.X509Certificates
Provides types for reading, exporting and verifying Authenticode X.509 v3 certificates. These certificates are signed with a private key that uniquely and positively identifies the holder of the certificate.
Commonly Used Types:
System.Security.Cryptography.X509Certificates.X509Certificate2
System.Security.Cryptography.X509Certificates.X509Certificate
System.Security.Cryptography.X509Certificates.X509ContentType
System.Security.Cryptography.X509Certificates.StoreLocation
System.Security.Cryptography.X509Certificates.StoreName
System.Security.Cryptography.X509Certificates.X509FindType
System.Security.Cryptography.X509Certificates.X509ChainStatus
System.Security.Cryptography.X509Certificates.X509Certificate2Collection
System.Security.Cryptography.X509Certificates.X509EnhancedKeyUsageExtension
System.Security.Cryptography.X509Certificates.X509Chain
When using NuGet 3.x this package requires at least version 3.4.
|
11 |
|
System.Security.Cryptography.Csp
Provides cryptographic algorithm implementations and key management with Windows Cryptographic API (CryptoAPI).
Commonly Used Types:
System.Security.Cryptography.RSACryptoServiceProvider
System.Security.Cryptography.CspParameters
When using NuGet 3.x this package requires at least version 3.4.
|
11 |
|
System.ServiceModel.Primitives
Provides common Windows Communication Foundation (WCF) types for consuming and communicating with services.
Commonly Used Types:
System.ServiceModel.ClientBase<TChannel>
System.ServiceModel.IClientChannel
System.ServiceModel.ICommunicationObject
System.ServiceModel.Channels.IChannel
System.ServiceModel.IContextChannel
System.ServiceModel.IExtensibleObject<T>
System.ServiceModel.DataContractFormatAttribute
System.ServiceModel.Description.IOperationBehavior
System.ServiceModel.Channels.Message
System.ServiceModel.FaultException<TDetail>
TFS ID: 1612576, GitHub SHA: https://github.com/dotnet/corefx/tree/f47c814b003d17da52940739e227f04e52b10279
When using NuGet 3.x this package requires at least version 3.4.
|
11 |
|
System.Security.Cryptography.OpenSsl
Provides cryptographic algorithm implementations and key management for non-Windows systems with OpenSSL.
Commonly Used Types:
System.Security.Cryptography.RSAOpenSsl
When using NuGet 3.x this package requires at least version 3.4.
|
10 |
|
System.Security.Cryptography.X509Certificates
Provides types for reading, exporting and verifying Authenticode X.509 v3 certificates. These certificates are signed with a private key that uniquely and positively identifies the holder of the certificate.
Commonly Used Types:
System.Security.Cryptography.X509Certificates.X509Certificate2
System.Security.Cryptography.X509Certificates.X509Certificate
System.Security.Cryptography.X509Certificates.X509ContentType
System.Security.Cryptography.X509Certificates.StoreLocation
System.Security.Cryptography.X509Certificates.StoreName
System.Security.Cryptography.X509Certificates.X509FindType
System.Security.Cryptography.X509Certificates.X509ChainStatus
System.Security.Cryptography.X509Certificates.X509Certificate2Collection
System.Security.Cryptography.X509Certificates.X509EnhancedKeyUsageExtension
System.Security.Cryptography.X509Certificates.X509Chain
When using NuGet 3.x this package requires at least version 3.4.
|
10 |
|
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
When using NuGet 3.x this package requires at least version 3.4.
|
10 |
|
System.ServiceModel.Primitives
Provides common Windows Communication Foundation (WCF) types for consuming and communicating with services.
Commonly Used Types:
System.ServiceModel.ClientBase<TChannel>
System.ServiceModel.IClientChannel
System.ServiceModel.ICommunicationObject
System.ServiceModel.Channels.IChannel
System.ServiceModel.IContextChannel
System.ServiceModel.IExtensibleObject<T>
System.ServiceModel.DataContractFormatAttribute
System.ServiceModel.Description.IOperationBehavior
System.ServiceModel.Channels.Message
System.ServiceModel.FaultException<TDetail>
When using NuGet 3.x this package requires at least version 3.4.
|
10 |
|
System.ServiceModel.Primitives
Provides common Windows Communication Foundation (WCF) types for consuming and communicating with services.
Commonly Used Types:
System.ServiceModel.ClientBase<TChannel>
System.ServiceModel.IClientChannel
System.ServiceModel.ICommunicationObject
System.ServiceModel.Channels.IChannel
System.ServiceModel.IContextChannel
System.ServiceModel.IExtensibleObject<T>
System.ServiceModel.DataContractFormatAttribute
System.ServiceModel.Description.IOperationBehavior
System.ServiceModel.Channels.Message
System.ServiceModel.FaultException<TDetail>
|
10 |
|
System.ServiceModel.Primitives
Provides common Windows Communication Foundation (WCF) types for consuming and communicating with services.
Commonly Used Types:
System.ServiceModel.ClientBase<TChannel>
System.ServiceModel.IClientChannel
System.ServiceModel.ICommunicationObject
System.ServiceModel.Channels.IChannel
System.ServiceModel.IContextChannel
System.ServiceModel.IExtensibleObject<T>
System.ServiceModel.DataContractFormatAttribute
System.ServiceModel.Description.IOperationBehavior
System.ServiceModel.Channels.Message
System.ServiceModel.FaultException<TDetail>
\r\n TFS ID: 1599443, GitHub SHA: https://github.com/dotnet/corefx/tree/eede273a4dfabcea608621f5e1bbf8ad00584cfb
|
10 |
|
System.IO.Compression
Provides classes that support the compression and decompression of streams.
Commonly Used Types:
System.IO.Compression.DeflateStream
System.IO.Compression.GZipStream
System.IO.Compression.CompressionMode
System.IO.Compression.CompressionLevel
System.IO.Compression.ZipArchiveEntry
System.IO.Compression.ZipArchive
System.IO.Compression.ZipArchiveMode
When using NuGet 3.x this package requires at least version 3.4.
|
9 |
|
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.
|
9 |
|
System.Security.Cryptography.X509Certificates
Provides types for reading, exporting and verifying Authenticode X.509 v3 certificates. These certificates are signed with a private key that uniquely and positively identifies the holder of the certificate.
Commonly Used Types:
System.Security.Cryptography.X509Certificates.X509Certificate2
System.Security.Cryptography.X509Certificates.X509Certificate
System.Security.Cryptography.X509Certificates.X509ContentType
System.Security.Cryptography.X509Certificates.StoreLocation
System.Security.Cryptography.X509Certificates.StoreName
System.Security.Cryptography.X509Certificates.X509FindType
System.Security.Cryptography.X509Certificates.X509ChainStatus
System.Security.Cryptography.X509Certificates.X509Certificate2Collection
System.Security.Cryptography.X509Certificates.X509EnhancedKeyUsageExtension
System.Security.Cryptography.X509Certificates.X509Chain
When using NuGet 3.x this package requires at least version 3.4.
|
9 |
|
System.Security.Cryptography.X509Certificates
Provides types for reading, exporting and verifying Authenticode X.509 v3 certificates. These certificates are signed with a private key that uniquely and positively identifies the holder of the certificate.
Commonly Used Types:
System.Security.Cryptography.X509Certificates.X509Certificate2
System.Security.Cryptography.X509Certificates.X509Certificate
System.Security.Cryptography.X509Certificates.X509ContentType
System.Security.Cryptography.X509Certificates.StoreLocation
System.Security.Cryptography.X509Certificates.StoreName
System.Security.Cryptography.X509Certificates.X509FindType
System.Security.Cryptography.X509Certificates.X509ChainStatus
System.Security.Cryptography.X509Certificates.X509Certificate2Collection
System.Security.Cryptography.X509Certificates.X509EnhancedKeyUsageExtension
System.Security.Cryptography.X509Certificates.X509Chain
\r\n TFS ID: 1599443, GitHub SHA: https://github.com/dotnet/corefx/tree/eede273a4dfabcea608621f5e1bbf8ad00584cfb
|
9 |
https://go.microsoft.com/fwlink/?LinkID=799421
MonoAndroid 1.0
- No dependencies.
Xamarin.WatchOS 1.0
- No dependencies.
Xamarin.TVOS 1.0
- No dependencies.
Xamarin.Mac 2.0
- No dependencies.
Xamarin.iOS 1.0
- No dependencies.
WindowsPhoneApp 8.1
- No dependencies.
WindowsPhone 8.0
- No dependencies.
Windows 8.0
- No dependencies.
.NETPortable 0.0
- No dependencies.
.NET Standard 1.5
- System.Threading.Tasks (>= 4.3.0)
- System.Runtime (>= 4.3.0)
- Microsoft.NETCore.Targets (>= 1.1.0)
- Microsoft.NETCore.Platforms (>= 1.1.0)
- System.Text.Encoding (>= 4.3.0)
.NET Standard 1.3
- System.Threading.Tasks (>= 4.3.0)
- System.Text.Encoding (>= 4.3.0)
- System.Runtime (>= 4.3.0)
- Microsoft.NETCore.Platforms (>= 1.1.0)
- Microsoft.NETCore.Targets (>= 1.1.0)
MonoTouch 1.0
- No dependencies.
.NET Framework 4.6.2
- No dependencies.
.NETCore 5.0
- Microsoft.NETCore.Platforms (>= 1.1.0)
- Microsoft.NETCore.Targets (>= 1.1.0)
- System.Runtime (>= 4.3.0)
- System.Text.Encoding (>= 4.3.0)
- System.Threading.Tasks (>= 4.3.0)
.NET Framework 4.5
- No dependencies.
.NET Standard 1.0
- Microsoft.NETCore.Platforms (>= 1.1.0)
- Microsoft.NETCore.Targets (>= 1.1.0)
- System.Runtime (>= 4.3.0)
- System.Text.Encoding (>= 4.3.0)
- System.Threading.Tasks (>= 4.3.0)
| Version | Downloads | Last updated |
|---|---|---|
| 4.3.0 | 6 | 09/01/2026 |
| 4.3.0-preview1-24530-04 | 5 | 09/01/2026 |
| 4.1.0 | 5 | 09/01/2026 |
| 4.1.0-rc2-24027 | 5 | 09/01/2026 |
| 4.0.11-beta-23516 | 4 | 09/01/2026 |
| 4.0.11-beta-23409 | 5 | 09/01/2026 |
| 4.0.11-beta-23225 | 5 | 09/01/2026 |
| 4.0.10 | 5 | 09/01/2026 |
| 4.0.10-beta-23109 | 6 | 09/01/2026 |
| 4.0.10-beta-23019 | 4 | 09/01/2026 |
| 4.0.10-beta-22816 | 5 | 09/01/2026 |
| 4.0.10-beta-22605 | 5 | 09/01/2026 |
| 4.0.10-beta-22416 | 4 | 09/01/2026 |
| 4.0.10-beta-22231 | 4 | 09/01/2026 |
| 4.0.0 | 4 | 09/01/2026 |
| 4.0.0-beta-23109 | 4 | 09/01/2026 |
| 4.0.0-beta-23019 | 4 | 09/01/2026 |