Organizing your code in regions


Visual Studio has a very powerful and elegant way of organizing your source code within a code file into regions. In this tutorial you will learn about regions and how to create regions in Visual Studio

What is a region in Visual Studio?

Suppose you have a source code file with more than 1000 line of code. It will become very difficult to manage such a big code file if you do not organize the source code in some logical manner. For example suppose that you are writing a class for managing student data in the database. The class has 20 functions, 5 each for inserting, reading, updating and deleting student information from the database table. If each function takes 50 lines of code then you have a total 1000 lines of code in your code file.

Regions will help you group the functionality logically in your code file. For the student class discussed above you can create 4 regions by the name Insert Methods, Select Methods, Update Methods and Delete Methods and group your code in those regions.

Expand and collapse regions when needed

The good thing about regions is not that you can logically organize you code in regions but most importantly you can expand and collapse regions to look at a given section of code.

Creating a region in Visual Studio

To create a region you should use the following syntax

#region Name of the region    #endregion


Look at the animated image below to understand how to create and use regions in Visual Studio

Regions in Visual Studio

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