Detect starting from Windows explorer
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Link "Sweat the small stuff" post
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LICENSE add license Sep 10, 2014 Link "Sweat the small stuff" post Oct 17, 2014
trap_windows.go add 1.4 implementation Sep 9, 2014


mousetrap is a tiny library that answers a single question.

On a Windows machine, was the process invoked by someone double clicking on the executable file while browsing in explorer?


Windows developers unfamiliar with command line tools will often "double-click" the executable for a tool. Because most CLI tools print the help and then exit when invoked without arguments, this is often very frustrating for those users.

mousetrap provides a way to detect these invocations so that you can provide more helpful behavior and instructions on how to run the CLI tool. To see what this looks like, both from an organizational and a technical perspective, see

The interface

The library exposes a single interface:

func StartedByExplorer() (bool)