How to open a Url or execute a command line in Windows .NET Applications

Ok a little senario, we wanted to open a URL when user clicks a button from a windows application. I know that .NET has a process class and it can start a process (in shorts acts like a command line). This is what the proposed solution was.
‘A VB.NET Example
Dim p As New Process
p.Start(“notepad.exe”, “D:\Documents and [...]