Question 1

What is code folding in Notepad3, and how does it work?

Accepted Answer

Code folding allows you to temporarily hide sections of your code by collapsing them into a single line. In Notepad3, this feature identifies logical blocks of code (like functions, loops, or comment blocks) and marks them with fold points in the left margin. You can click these points or use keyboard shortcuts to fold and unfold code sections, making it easier to focus on specific parts of your code while maintaining a clear overview of its structure.

Question 2

How do I enable or disable code folding in Notepad3?

Accepted Answer

Code folding is enabled by default in Notepad3 for supported file types. You’ll see fold points (small squares with + or - symbols) in the left margin when working with compatible files. If you don’t see these markers, check if you’re working with a supported language file. The feature automatically activates when you open files with recognized extensions like .js, .py, .html, or other programming language files. Additionally, you can click on the View menu, then Folding, and select Code Folding to enable or disable code folding.

Question 3

How does code folding work with different programming languages?

Accepted Answer

Notepad3 adapts its code folding behavior based on the programming language of your file. It recognizes language-specific syntax and structures to create appropriate fold points. For example, in Python, it identifies indentation blocks, while in HTML, it follows a tag hierarchy. The editor automatically applies the correct folding rules when you open files with recognized extensions.

Question 4

Why did my code folding points disappear?

Accepted Answer

If fold points suddenly vanish, first check if you’re still working with a supported file type. Changing the file extension or syntax highlighting mode can sometimes affect folding visibility. Also, verify that the fold margin is enabled in the view settings. If the issue persists, try saving and reopening the file, as this often refreshes the folding markers.

Question 5

Can I save my code with folded sections?

Accepted Answer

While Notepad3 remembers the folded state of your code during the current session, it doesn’t permanently save fold states between sessions. When you reopen a file, all sections will be unfolded by default. This design ensures that your code is always fully accessible when sharing files with others or opening them in different editors.

Question 6

How does code folding affect search and replace operations?

Accepted Answer

Search and replace operations in Notepad3 work across all code, regardless of whether sections are folded. When you search for text, Notepad3 will find matches even in collapsed sections and automatically unfold them to show the matches. This ensures you don’t miss any occurrences while maintaining the benefits of code folding for navigation.

Rizonesoft Documentation

Code Folding

Notepad3 Code Folding Keyboard Shortcuts

Mouse commands within the fold margin

Frequently Asked Questions (FAQ)

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