Uses Windows Restart Manager APIs to find processes locking one or multiple files.
The code is CodeAnalysis clean (using Microsoft recommended rules) and has been tested on Windows 7 and Windows 10 (both x64). It is actually meant to be included in a library or such, but for quick tests a "Main" method is provied.
Example:
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Open/create a file "C:\temp\foo.xlsx" in Microsoft Excel - you can use any other application that actually locks a file, of course.
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Run the following command:
LockCheck.exe c:\temp\foo.xlsx -
The ouput should be like
Process ID : 1296 Process Start Time: Saturday, 24th October 2015 16:17:58 Application Type : MainWindow Application Status: Running Application Name : Microsoft Excel TS Session ID : 1