C# Beginner to advanced - Lesson 39 - Partial classes Part 1

Partial classes

Partial classes allow us to split a class in to 2 or more files.

All these parts are then combined in to single class, when the application is compiled.

The partial keyword can also be used to split a struct or an interface over two or more files

Advantages of Partial Classes:

Visual studio uses partial classes to separate, automatically generated system code from the developers code For example: When you add a WindowsForm application, two .cs files are generated

Form.cs : contains the developer code.

Form.Designer.cs : contains the system generated code. Example : declarations for the controls that you drag and drop on the windowsform

When working on large projects, spreading a class over separate files allows programmers to work it on simultaneously.

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