C# (CSharp) DoFactory.HeadFirst.Proxy.GumballMonitor GumballMachine.ReleaseBall - 2 examples found. These are the top rated real world C# (CSharp) examples of DoFactory.HeadFirst.Proxy.GumballMonitor.GumballMachine.ReleaseBall extracted from open source projects. You can rate examples to help us improve the quality of examples.