System.Composition by: Microsoft

This package provides a version of the Managed Extensibility Framework (MEF) that is lightweight and specifically optimized for high throughput scenarios, such as the web. Commonly Used Types: System.Composition.ExportAttribute System.Composition.ImportAttribute System.Composition.Convention.ConventionBuilder System.Composition.Hosting.CompositionHost System.Composition.CompositionContext System.Composition.CompositionContextExtensions

System.Composition.AttributedModel by: Microsoft

Provides common attributes used by System.Composition types. Commonly Used Types: System.Composition.ExportAttribute System.Composition.ImportAttribute System.Composition.Convention.AttributedModelProvider

System.Composition.Convention by: Microsoft

Provides types that support using Managed Extensibility Framework with a convention-based configuration model. Commonly Used Types: System.Composition.Convention.ConventionBuilder System.Composition.Convention.ExportConventionBuilder System.Composition.Convention.ImportConventionBuilder System.Composition.Convention.PartConventionBuilder System.Composition.Convention.ParameterImportConventionBuilder

System.Composition.Hosting by: Microsoft

Provides Managed Extensibility Framework types that are useful to developers of extensible applications, or hosts. Commonly Used Types: System.Composition.Hosting.CompositionHost

System.Composition.Runtime by: Microsoft

Contains runtime components of the Managed Extensibility Framework. Commonly Used Types: System.Composition.CompositionContext

System.Composition.TypedParts by: Microsoft

Provides some extension methods for the Managed Extensibility Framework. Commonly Used Types: System.Composition.CompositionContextExtensions System.Composition.Hosting.ContainerConfiguration

System.Configuration.ConfigurationManager by: Microsoft

Provides types that support using XML configuration files (app.config). This package exists only to support migrating existing .NET Framework code that already uses System.Configuration. When writing new code, use another configuration system instead, such as Microsoft.Extensions.Configuration.

System.Data.Common by: Microsoft

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 When using NuGet 3.x this package requires at least version 3.4.

System.Data.DataSetExtensions by: Microsoft

Provides extensions to form LINQ expressions and method queries against DataTable objects. Commonly Used Types: System.Data.DataRowComparer System.Data.DataRowExtensions System.Data.DataTableExtensions System.Data.EnumerableRowCollection System.Data.EnumerableRowCollectionExtensions System.Data.OrderedEnumerableRowCollection System.Data.TypedTableBase System.Data.TypedTableBaseExtensions 30ab651fcb4354552bd4891619a0bdd81e0ebdbf When using NuGet 3.x this package requires at least version 3.4.

System.Data.Odbc by: Microsoft

Provides a collection of classes used to access an ODBC data source in the managed space Commonly Used Types: System.Data.Odbc.OdbcCommand System.Data.Odbc.OdbcConnection System.Data.Odbc.OdbcDataReader System.Data.Odbc.OdbcDataAdapter System.Data.Odbc.OdbcParameter System.Data.Odbc.OdbcParameterCollection System.Data.Odbc.OdbcTransaction

System.Data.OleDb by: Microsoft

Provides a collection of classes for OLEDB. Commonly Used Types: System.Data.OleDb.OleDbCommand System.Data.OleDb.OleDbCommandBuilder System.Data.OleDb.OleDbConnection System.Data.OleDb.OleDbDataAdapter System.Data.OleDb.OleDbDataReader System.Data.OleDb.OleDbParameter System.Data.OleDb.OleDbParameterCollection System.Data.OleDb.OleDbTransaction

System.Data.SqlClient by: Microsoft

System.Data.SqlClient

System.Diagnostics.Contracts by: Microsoft

Provides static classes for representing program contracts such as preconditions, postconditions, and invariants. Commonly Used Types: System.Diagnostics.Contracts.Contract System.Diagnostics.Contracts.ContractClassAttribute System.Diagnostics.Contracts.ContractClassForAttribute System.Diagnostics.Contracts.ContractFailureKind System.Runtime.CompilerServices.ContractHelper System.Diagnostics.Contracts.ContractInvariantMethodAttribute System.Diagnostics.Contracts.PureAttribute System.Diagnostics.Contracts.ContractArgumentValidatorAttribute System.Diagnostics.Contracts.ContractVerificationAttribute System.Diagnostics.Contracts.ContractOptionAttribute When using NuGet 3.x this package requires at least version 3.4.

System.Diagnostics.DiagnosticSource by: Microsoft

Provides Classes that allow you to decouple code logging rich (unserializable) diagnostics/telemetry (e.g. framework) from code that consumes it (e.g. tools) Commonly Used Types: System.Diagnostics.DiagnosticListener System.Diagnostics.DiagnosticSource

System.Diagnostics.EventLog by: Microsoft

Provides the System.Diagnostics.EventLog class, which allows the applications to use the Windows event log service. Commonly Used Types: System.Diagnostics.EventLog

System.Diagnostics.PerformanceCounter by: Microsoft

Provides the System.Diagnostics.PerformanceCounter class, which allows access to Windows performance counters. Commonly Used Types: System.Diagnostics.PerformanceCounter

System.DirectoryServices by: Microsoft

Provides easy access to Active Directory Domain Services. Commonly Used Types: System.DirectoryServices.DirectoryEntry System.DirectoryServices.DirectorySearcher System.DirectoryServices.ActiveDirectory.ActiveDirectorySite System.DirectoryServices.ActiveDirectory.ApplicationPartition System.DirectoryServices.ActiveDirectory.DirectoryContext System.DirectoryServices.ActiveDirectory.DirectoryServer System.DirectoryServices.ActiveDirectory.Domain System.DirectoryServices.ActiveDirectory.DomainController

System.DirectoryServices.AccountManagement by: Microsoft

Provides uniform access and manipulation of user, computer, and group security principals across the multiple principal stores: Active Directory Domain Services (AD DS), Active Directory Lightweight Directory Services (AD LDS), and Machine SAM (MSAM).

System.DirectoryServices.Protocols by: Microsoft

Provides the methods defined in the Lightweight Directory Access Protocol (LDAP) version 3 (V3) and Directory Services Markup Language (DSML) version 2.0 (V2) standards.

System.Drawing.Common by: Microsoft

Provides access to GDI+ graphics functionality. Commonly Used Types: System.Drawing.Bitmap System.Drawing.BitmapData System.Drawing.Brush System.Drawing.Font System.Drawing.Graphics System.Drawing.Icon Since .NET 7, non-Windows platforms are not supported, even with the runtime configuration switch. See https://aka.ms/systemdrawingnonwindows for more information.