IntelliJ IDEA 13.1.0 Web Help

With IntelliJ IDEA, you can surround a fragment of source code with line comments. So doing, IntelliJ IDEA supports two styles:

  • VisualStudio style
                 #region Description 
                 Your code goes here... 
  • NetBeans style
                 // <editor-fold desc="Description"> 
                 Your code goes here... 
                 // </editor-fold> 

The folding markers of a region are stored with the source code and can be shared across the team.


Do not mix up the two styles in one file. IntelliJ IDEA will recognize the first folding comment encountered, and will assume this as a style chosen for the code.

To surround a custom region with folding markers
  1. Select a fragment of source code.
  2. On the main menu, choose Code | Surround With, or press or or .
  3. Select the desired folding comments from the list:


    IntelliJ IDEA surrounds the code fragment with comments observing the syntax of the current language.

  4. If necessary, change description of the code fragment to be folded:


    You can now collapse or expand the code.

    When collapsed, the code is concealed behind the description, and you can view it by hovering your mouse pointer over the description:



Once custom regions are defined, IntelliJ IDEA provides navigation between them.

To navigate between custom regions
  1. Do one of the following:
    • On the main menu, choose Navigate | Custom Region.
    • Press .
  2. In the dialog box that opens, select the target custom region, and click OK:


    The caret rests at the comment line opening the region in question.

See Also


External Links:

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