In addition to using the standard icons, you can create your own custom icons. You might want to create a custom icon that is consistent with those used in existing documentation, for example, or one that is based on your company logo. You can also make a new icon by starting with an existing icon, editing it as necessary, and saving it with a new name. 

To be used as a custom icon, a graphic file must satisfy the following constraints:

• It must be 22 pixels x 22 pixels in size
   
• It must be saved in .png, .jpg, or .gif format
   
• It must be saved in a package in the Library folder System/Icons/Custom

An empty Custom folder is present in your Library by default, even if your content does not currently include custom icons.

Note: The color depth for icons is unrestricted, although 8- or 16-bit color is typically sufficient.

When you change the icon of a frame link, you see a preview of each icon file saved in the folders System/Icons/Standard and System/Icons/Custom. You cannot browse to any other Library location to select an icon saved elsewhere. Also, if any file saved in a package in either of these folders does not satisfy the requirements for use as an icon (22 pixels x 22 pixels; .png, .jpg, or .gif format), you are not able to select it as an icon. In this case, you must edit the file in the package in order to use it as an icon.

You can simplify icon management by taking the following approach:

• Save only one icon per package
   
• Use the same name for the package and the icon file it contains
   
• Ensure that only valid icon files, contained in packages, are saved in the Library folders System/Icons/Standard and System/Icons/Custom

 Multi-user Considerations

• Any new document that you create or link is automatically checked out to you. If you want to make a new document available to multiple authors and place the document under the Developer's version control system, you must check it in.
   
  See Check In and Check Out Documents in Use the Developer in a Multi-user Environment for more information.

To create a custom icon:

1. In your image editing software, create a graphic appropriate for use as a link icon. You can also make a new icon by starting with an existing icon and editing it as necessary.
    
   An icon graphic must be 22 pixels x 22 pixels and must be of .png, .jpg, or .gif format.
    
2. Create a new package.
    
3. Add the image file to the package.
    
4. Save the package in the folder System/Icons/Custom.

Tip: To simplify icon management, use the same name for the custom icon file and the package in which it is saved.

Warning! No size or format validation is performed when you add a custom icon to the Library. Therefore, you should verify that the file satisfies the requirements for use as an icon before adding it to the Library.

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