Interesting subject which Daniel Moth explains:
At a recent event where I was presenting on LINQ, I showed a query with a join, similar to the following:

      var results =      from p in Process.GetProcesses()      join p2 in MyProccess.GetMyProcList()      on p.ProcessName equals p2.MyProcName      where p.Threads.Count > 14      orderby p.ProcessName descending      select new { p2.MyProcDescription, ThreadCount = p.Threads.Count, p.Id };

After the session one of the delegates asked me: “Why do we have to use the equals keyword and not just ==“. In other words he would have preferred to type:
on p.ProcessName == p2.MyProcName
I didn’t have a good answer but promised to look into it.

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