static void Main(string[] args) { // lambda intergrate with delegate make code consize BizRuleDelegate addDel = (x, y) => x + y; BizRuleDelegate multiDel = (x, y) => x * y; var data = new ProcessData(); data.Process(2, 3, addDel); data.Process(2, 3, multiDel); var worker = new Worker(); //worker.WorkPerformed += Worker_WorkPerformed; // assign line 26 worker_workPerformed(obj,evt )to here worker.WorkPerformed += delegate(object sender, WorkPerformedEventArgs e) { Console.WriteLine("Worked: " + e.Hours + " hour(s) doing: " + e.WorkType); }; // worker.WorkCompleted += Worker_WorkCompleted; // worker.WorkCompleted -= Worker_WorkCompleted; worker.WorkCompleted += delegate(object sender, EventArgs e) { Console.WriteLine("Work is complete!"); }; worker.DoWork(8, WorkType.GenerateReports); Console.Read(); }
static void Main(string[] args) { var custs = new List <Customer> { new Customer { City = "Phoenix", FirstName = "John", LastName = "Doe", ID = 1 }, new Customer { City = "Phoenix", FirstName = "Jane", LastName = "Doe", ID = 500 }, new Customer { City = "Seattle", FirstName = "Suki", LastName = "Pizzoro", ID = 3 }, new Customer { City = "New York City", FirstName = "Michelle", LastName = "Smith", ID = 4 }, }; var phxCusts = custs .Where(c => c.City == "Phoenix" && c.ID < 500) .OrderBy(c => c.FirstName); foreach (var cust in phxCusts) { Console.WriteLine(cust.FirstName); } var data = new ProcessData(); BizRulesDelegate addDel = (x, y) => x + y; BizRulesDelegate multiplyDel = (x, y) => x * y; data.Process(2, 3, multiplyDel); Action <int, int> myAction = (x, y) => Console.WriteLine(x + y); Action <int, int> myMultiplyAction = (x, y) => Console.WriteLine(x * y); data.ProcessAction(2, 3, myMultiplyAction); Func <int, int, int> funcAddDel = (x, y) => x + y; Func <int, int, int> funcMultipleDel = (x, y) => x * y; data.ProcessFunc(3, 2, funcMultipleDel); var worker = new Worker(); worker.WorkPerformed += (s, e) => { Console.WriteLine("Worked: " + e.Hours + " hour(s) doing: " + e.WorkType); Console.WriteLine("Some other value"); }; worker.WorkCompleted += (s, e) => Console.WriteLine("Work is complete!"); worker.DoWork(8, WorkType.GenerateReports); Console.Read(); }
static void Main(string[] args) { var custs = new List <Customer> { new Customer { City = "Hyderabad", FirstName = "Poojitha", LastName = "Pancheti", ID = 1 }, new Customer { City = "Hyderabad", FirstName = "Srujana", LastName = "jami", ID = 2 }, new Customer { City = "Banglore", FirstName = "Yamini", LastName = "Pancheti", ID = 3 }, }; var hydCusts = custs .Where(c => c.City == "Hyderabad" && c.ID < 300) .OrderBy(c => c.FirstName); foreach (var cust in hydCusts) { Console.WriteLine(cust.FirstName); } BizRulesDelegate addDel = (x, y) => x + y; BizRulesDelegate multiplyDel = (x, y) => x * y; var data = new ProcessData(); // data.Process(2, 3, addDel); data.Process(3, 4, multiplyDel); Func <int, int, int> funcAddDel = (x, y) => x + y; Func <int, int, int> funcMultipleDel = (x, y) => x * y; //data.ProcessFunc(3, 2, funcAddDel); data.ProcessFunc(4, 5, funcMultipleDel); Action <int, int> myAction = (x, y) => Console.WriteLine(x + y); Action <int, int> myMultiplyAction = (x, y) => Console.WriteLine(x * y); data.ProcessAction(3, 4, myAction); var worker = new Worker(); worker.WorkPerformed += (s, e) => { Console.WriteLine("Worked: " + e.Hours + "hours doing:" + e.WorkType); Console.WriteLine("Some other value"); }; worker.WorkCompleted += (s, e) => Console.WriteLine("Work is complete!"); worker.DoWork(8, WorkType.GenerateReports); Console.Read(); }
static void Main(string[] args) { var customers = new List <Customer> { new Customer { City = "Phoenix", FirstName = "John", LastName = "Doe", ID = 1 }, new Customer { City = "Phoenix", FirstName = "Jane", LastName = "Doe", ID = 500 }, new Customer { City = "Seattle", FirstName = "Suki", LastName = "Pizzoro", ID = 3 }, new Customer { City = "Phoenix", FirstName = "Abriel", LastName = "Lindsy", ID = 45 }, new Customer { City = "NYC", FirstName = "Michelle", LastName = "Smith", ID = 4 } }; var phxCustomers = customers .Where(c => c.City == "Phoenix" && c.ID < 500) .OrderBy(c => c.FirstName); // using System.Linq to query objects foreach (var customer in phxCustomers) { Console.WriteLine(customer.FirstName + " is from " + customer.City); } var data = new ProcessData(); BizRulesDelegate addDel = (x, y) => x + y; BizRulesDelegate multiplyDel = (x, y) => x * y; data.Process(2, 3, multiplyDel); Func <int, int, int> funcAddDel = (x, y) => x + y; Func <int, int, int> funcMultiplyDel = (x, y) => x * y; data.ProcessFunc(4, 5, funcAddDel); Action <int, int> addAction = (x, y) => Console.WriteLine(x + y); Action <int, int> multiplyAction = (x, y) => Console.WriteLine(x * y); data.ProcessAction(2, 3, addAction); data.ProcessAction(2, 3, multiplyAction); var worker = new Worker(); worker.DoWork(7, WorkType.GenerateReports); /* * // Delegate Inference: * worker.WorkPerformed += worker_WorkPerformed; * worker.WorkCompleted += worker_WorkCompleted; * * worker.DoWork(8, WorkType.GenerateReports); * * static void worker_WorkPerformed(object sender, WorkPerformedEventArgs e) * { * Console.WriteLine("Hours worked: " + e.Hours + " " + e.WorkType); * } * static void worker_WorkCompleted(object sender, EventArgs e) * { * Console.WriteLine("Work is done"); * } */ // Lambda Approach for the code above: worker.WorkPerformed += (s, e) => { Console.WriteLine("Hours worked: " + e.Hours + " " + e.WorkType); }; worker.WorkCompleted += (s, e) => Console.WriteLine("Work is done"); Console.Read(); }