What is the usage of region in c#?

Joe Wilson

12y2.4kWindows Forms

Give Examples about the Subject ,Please.

15 Replies

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Vulpes12y ago
No, I didn't mean to imply that the #region directive is not useful.

What I meant is that you need to see it in action in Visual Studio to appreciate what it does. Just reading about it in a book or online is not enough.
Joe Wilson12y ago
Thank you for your answer.
Joe Wilson12y ago
Do you mean it is not useful enough to pursue that?
Joe Wilson12y ago
Thank you for your answer.
Bhabani Prasad12y ago
http://www.codeproject.com/Tips/438830/Make-your-code-Speak-by-using-Csharp-Region
Vulpes12y ago
You can't really get the meaning of the #region / #endregion directives from studying code examples on their own.

You have to use it in Visual Studio to see how it enables you to collapse or expand a piece of code.

This is particularly useful when you want to avoid accidentally editing a piece of code which has been generated by the Visual Studio designer.

If you look at Form1.Designer.cs in a Windows Forms application, you'll see that the InitializeComponent() method has been collapsed in this way.
Joe Wilson12y ago
Unfortunately,I didn't get the exact meaning of region,
Could you please explain region completely yourself?
Joe Wilson12y ago
Unfortunately,I didn't get the exact meaning of region,
Could you please explain region completely yourself?
Joe Wilson12y ago
Unfortunately,I didn't get the exact meaning of region,
Could you please explain region completely yourself?
Lakshmanan Sethu Sankaranarayan12y ago
Hi please check the region example http://www.dotnetperls.com/region
Joe Wilson12y ago
Could you Please Give me an Example to understand well.
Joe Wilson12y ago
Thank you for your Help.
Abhay Shanker12y ago
The #region directive partitions your code. With #region, we can organize code into blocks that can be expanded or collapsed visually. We must indicate the start of the region and the end of the region.

Regions are created in this format:

#region MyRegion
your code here
#endregion

you can also check below url for detail
http://msdn.microsoft.com/en-us/library/9a1ybwek.aspx
Vulpes12y ago
There's a bit more about the #region preprocessor directive here and how it can used to expand or collapse code in VS:

http://msdn.microsoft.com/en-us/library/9a1ybwek.aspx
Kunal Vaishya12y ago
Hi , Region is maintain the block only, it doesn't affect the code.

Example like this

#region Page Events
//do your code
#endregion

#region Controls Events
//do your code
#endregion

#region Utility
//do your code
#endregion

#region Procedures
//do your code
#endregion