The line below tells the watcher that it has to keep looking at the path entered in the txtFile textBox. The '\' characters at the end are to make sure that the path has a directory name. Orelse there will be a problem in case the user enters something like "C:" in the text box.

Por favor, hágamelo saber si necesita una talla intermedia y haremos todo lo posible para encontrarle el ajuste perfecto.