public void DoSomething()
{
var process1 = new Process1();
var process2 = new Process2();
var process3 = new Process3();
process1.SetProcess(process2);
process2.SetProcess(process3);
process1.RunProcess();
}
static void Main(string[] args)
{
Process1 proc1 = new Process1();
Process2 proc2 = new Process2();
Process3 proc3 = new Process3();
proc1.SetProcess(proc2);
proc2.SetProcess(proc3);
proc1.RunProcess();
}