How to stop a process after it was started with Process.Start

I want my program to run other programs, but I also want the User to be able to stop the running program from within my program. How do you keep track of what program Process.Start has run?
Robert Homes

I want my program to run other programs, but I also want the User to be able to stop the running program from within my program. How do you keep track of what program Process.Start has run?
The Start(String...) or Start(StartInfo) methods of the Process class are functions that return a Process object that you can then use to manage the process that you started, for instance to stop it with .Kill.
https://msdn.microsoft.com/en-us/library/system.diagnostics.process(v=vs.110).aspx

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