How does Utorrent open by browser [closed]

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Closed 3 years ago .

Hello, I intend to create a program that when called by the browser, it opens the program and performs its functions, similar to how utorrent does. I did some research but did not find nothing so far and I do not know the correct way to search.

Edit: Randrade, exactly what I was looking for, I am creating a web application that will need to call an application that will be installed on the client's computer, but I did not know the name of the resource to be able to deploy. What I need is really the custom URL protocol.

Taking advantage of I would like to supplement the question, using the custom URL protocol it is possible to send parameters to the application?