public static void Main(string[] args)
{
WorkerIsWorking += (s, e) => Console.WriteLine($"Working for {e.WorkingHours} hours..\n");
WorkerIsWorking += WantMessage;
WorkerFinishedWorking += WorkingFinishMessage;
DoWork(5, "No complaint!");
unchecked
{
}
Action <int, int> add = (x, y) => Console.WriteLine(x + y);
var processor = new ProcessData();
processor.Process(5, 3, add);
Console.ReadKey();
}
static void Main(string[] args)
{
//SimpleDelegate.Call();
//MultiCastDelegates.Call();
//ReturnValuesFromDelegate.Call();
#region Events
//var worker = new WorkerWithAdvance();
//worker.WorkPerformed += new EventHandler<WorkPerformedEventArgs>(worker.Worker_WorkPerformed);
//worker.WorkCompleted += new EventHandler(worker.Worker_WorkCompleted);
//worker.DoWork(2, WorkType.GenerateReports);
#endregion
#region Delegate Inference
//var worker = new WorkerWithAdvance();
//worker.WorkPerformed += worker.Worker_WorkPerformed;
//worker.WorkCompleted += worker.Worker_WorkCompleted;
//worker.WorkCompleted -= worker.Worker_WorkCompleted;
//worker.DoWork(2, WorkType.GenerateReports);
#endregion
#region Anonymous method
//var worker = new WorkerWithAdvance();
//worker.WorkPerformed += delegate (object sender, WorkPerformedEventArgs e)
//{
// Console.WriteLine(e.Hours.ToString());
//};
//worker.DoWork(2, WorkType.GenerateReports);
#endregion
#region Lambda function
//var worker = new WorkerWithAdvance();
//worker.WorkPerformed += (sender, e) => Console.WriteLine(e.Hours.ToString());
//worker.DoWork(2, WorkType.GenerateReports);
#endregion
#region Different use of delegate
//var processData = new ProcessData();
//BizRuleDelegate add = (x, y) => x + y;
//BizRuleDelegate multiply = (x, y) => x * y;
//processData.Process(2, 3, add);
//processData.Process(2, 3, multiply);
#endregion
#region Action Example
//var processData = new ProcessData();
//Action<int, int> addAction = (x, y) => Console.WriteLine(x + y); ;
//Action<int, int> multiplyAction = (x, y) => Console.WriteLine(x * y);
//processData.ProcessAction(2, 3, addAction);
//processData.ProcessAction(2, 3, multiplyAction);
#endregion
#region Func Delegate Use
var processData = new ProcessData();
Func <int, int, int> addFunc = (x, y) => x + y;
Func <int, int, int> multiplyFunc = (x, y) => x * y;
processData.ProcessFunc(2, 3, addFunc);
processData.ProcessFunc(2, 3, multiplyFunc);
#endregion
Console.ReadKey();
}
static void Main(string[] args)
{
var customers = new List <Customer> {
new Customer {
ID = 1, LastName = "lastclient1", FirstName = "firstclient1", City = "cityclient1"
},
new Customer {
ID = 2, LastName = "lastclient2", FirstName = "firstclient2", City = "cityclient1"
},
new Customer {
ID = 3, LastName = "lastclient3", FirstName = "firstclient3", City = "cityclient2"
},
new Customer {
ID = 4, LastName = "lastclient4", FirstName = "firstclient4", City = "cityclient3"
}
};
var cityCust = customers.Where(c => c.City == "cityclient1" && c.ID < 2).OrderBy(c => c.FirstName);
foreach (var cust in cityCust)
{
Console.WriteLine(cust.FirstName);
}
Console.WriteLine("************************************************************");
BizRuleDelegate addDel = (x, y) => x + y;
var process = new ProcessData();
process.Process(3, 8, addDel);
Action <int, int> myAction = (x, y) => Console.WriteLine("Action lambda in: " + (x + y));
process.ProcessAction(2, 3, myAction);
Func <int, int, int> funcAddDel = (x, y) => x + y;
process.ProcessFunc(2, 4, funcAddDel);
Console.WriteLine("************************************************************");
WorkPerformedHandler del1 = new WorkPerformedHandler(WorkPerformed1);
WorkPerformedHandler del2 = new WorkPerformedHandler(WorkPerformed2);
WorkPerformedHandler del3 = new WorkPerformedHandler(WorkPerformed3);
del1(4, WorkType.Golf);
del2(10, WorkType.GeneralReports);
DoWork(del1);
del1 += del2 + del3;
int finalHours = del1(4, WorkType.Golf);// last value returned
Console.WriteLine(finalHours);
Console.WriteLine("************************************************************");
var worker = new Worker();
worker.WorkPerformed += new WorkPerformedHandler(WorkPerformed1);
worker.WorkPerformed2 += (s, e) => Console.WriteLine("1 line lambda worked: " + e.Hours + " " + e.WorkType);
worker.WorkPerformed2 += new WorkPerformedHandler2(Worker_WorkPerformed);
worker.WorkPerformed3 += new EventHandler <WorkPerformedEventArgs>(Worker_WorkPerformed);
worker.WorkPerformed3 += autogenerated_Worker_WorkPerformed;
worker.WorkPerformed3 += delegate(object sender, WorkPerformedEventArgs e)
{
Console.WriteLine("Anonymouse worked: " + e.Hours + " " + e.WorkType);
};
worker.WorkCompleted += new WorkCompletedHandler(Worker_WorkComleted);
worker.WorkCompleted2 += (s, e) =>
{
Console.WriteLine("1) two line lambda");
Console.WriteLine("2) Worker_WorkComleted");
};
worker.WorkCompleted2 += new EventHandler(Worker_WorkComleted);
worker.WorkCompleted2 += autogenerated_Worker_WorkComleted;
worker.DoWork(8, WorkType.GeneralReports);
}