Open Multiple FlashDevelop Instances

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Open Multiple FlashDevelop Instances

If you ever find yourself trying to compile multiple projects at the same time and don’t want to be switching between them in the same FlashDevelop window, just open a new instance of FlashDevelop.

If you are like me and didn’t go into the advanced options when installing FlashDevelop, where you can check a Multi Instance Mode option, there’s no need to reinstall FlashDevelop.

What you need to do is manually create the flag file “.multi” in the same directory where FlashDevelop was installed.

The easiest way to accomplish this is to use Notepad:

  • Open Notepad as Administrator
  • Save an empty file with whatever name you like inside the FlashDevelop directory: C:\Program Files (x86)\FlashDevelop
  • Rename it to “.multi.” (NOTICE the second period and the lack of extension)

This little renaming trick will effectively give you the “.multi” file we’re looking for. Windows doesn’t allow the lack of a file name when renaming files using the Explorer but it does allow file names to start with a period and have a lack of extension.

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