What are the lists of abstract classes in .NET?

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In the .NET framework, there are several abstract classes that serve as base classes for various functionalities. Here are some notable abstract classes in .NET: System.Array: Base class for all arrays in C#. System.Collections.CollectionBase: Serves as the base class for strongly typed collections. System.Collections.DictionaryBase: Serves...
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In the .NET framework, there are several abstract classes that serve as base classes for various functionalities. Here are some notable abstract classes in .NET: System.Array: Base class for all arrays in C#. System.Collections.CollectionBase: Serves as the base class for strongly typed collections. System.Collections.DictionaryBase: Serves as the base class for strongly typed dictionaries. System.Collections.Queue: Represents a first-in, first-out (FIFO) collection of objects. System.Collections.Stack: Represents a last-in, first-out (LIFO) collection of objects. System.Collections.ObjectModel.Collection<T>: Generic base class for strongly typed collections. System.Collections.ObjectModel.KeyedCollection<TKey, TItem>: Generic base class for collections that are indexed by a key. System.ComponentModel.Component: Serves as the base class for all components in the .NET framework. System.Data.Common.DbCommand: Represents an SQL statement or stored procedure to execute against a data source. System.Data.Common.DbDataAdapter: Represents a set of data commands and a database connection that are used to fill the DataSet and update a data source. System.Data.Common.DbDataReader: Provides a way of reading a forward-only stream of rows from a data source. System.Data.Common.DbTransaction: Represents a local transaction. System.IO.Stream: Serves as the abstract base class for all streams. System.Security.Cryptography.CipherAlgorithm: Base class for all symmetric key algorithm implementations. System.Security.Cryptography.HashAlgorithm: Base class for all hash algorithm implementations. System.Security.Cryptography.KeyedHashAlgorithm: Base class for hash-based Message Authentication Code (HMAC) implementations. System.Security.Cryptography.SymmetricAlgorithm: Base class for all symmetric key algorithm implementations. System.Text.Encoding: Represents a character encoding. System.Threading.WaitHandle: Encapsulates operating system-specific objects that wait for exclusive access to shared resources. System.Web.UI.WebControls.WebControl: Serves as the base class for all ASP.NET server controls. These are just some examples of abstract classes in .NET. The framework provides a rich set of abstract classes that developers can use as a foundation for building specific functionalities in their applications. Keep in mind that the .NET framework evolves over time, and new abstract classes may be introduced in later versions. read less
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