Summarize this content to 400 words in Persian Lang \u062f\u0631 \u0633\u06cc \u0634\u0627\u0631\u067e \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627 \u06cc\u06a9 \u0648\u06cc\u0698\u06af\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0628\u0647 \u0627\u0634\u06cc\u0627 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u0628\u0627 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u0631\u0642\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f. \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0627\u0644\u06af\u0648\u06cc \u0646\u0627\u0638\u0631\u060c \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u06cc\u06a9 \u0634\u06cc (\u0645\u0648\u0636\u0648\u0639) \u0628\u0647 \u0627\u0634\u06cc\u0627\u0621 \u062f\u06cc\u06af\u0631 (\u0646\u0627\u0638\u0631\u0627\u0646) \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0645\u0648\u0631\u062f \u0639\u0644\u0627\u0642\u0647 \u0631\u062e \u0645\u06cc \u062f\u0647\u062f \u0627\u0637\u0644\u0627\u0639 \u0645\u06cc \u062f\u0647\u062f. \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627 \u062f\u0631 \u0633\u06cc \u0634\u0627\u0631\u067e \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u0646\u0645\u0627\u06cc\u0646\u062f\u06af\u0627\u0646\u060c \u06a9\u0647 \u0627\u0646\u0648\u0627\u0639\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0627\u0631\u062c\u0627\u0639 \u0628\u0647 \u0631\u0648\u0634 \u0647\u0627\u06cc\u06cc \u0631\u0627 \u0628\u0627 \u0627\u0645\u0636\u0627\u06cc \u062e\u0627\u0635 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u0646\u062f.<\/p>\n
\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u062a\u0641\u06a9\u06cc\u06a9 \u0639\u0645\u06cc\u0642 \u0627\u0632 \u062a\u0645\u0627\u0645 \u0631\u0627\u0647 \u0647\u0627\u06cc \u0645\u0645\u06a9\u0646 \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u0648 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627 \u062f\u0631 \u0633\u06cc \u0634\u0627\u0631\u067e\u060c \u0627\u0632 \u062c\u0645\u0644\u0647 \u0646\u0645\u0648\u0646\u0647 \u0647\u0627\u06cc\u06cc \u0628\u0627 \u0627\u0642\u062f\u0627\u0645\u060c \u062a\u0627\u0628\u0639\u060c \u0648 \u0646\u0645\u0627\u06cc\u0646\u062f\u06af\u0627\u0646 \u0633\u0641\u0627\u0631\u0634\u06cc.<\/p>\n
1. \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 EventHandler Delegate<\/p>\n
\u0631\u0627\u06cc\u062c \u062a\u0631\u06cc\u0646 \u0631\u0627\u0647 \u0628\u0631\u0627\u06cc \u0627\u0639\u0644\u0627\u0645 \u06cc\u06a9 \u0631\u0648\u06cc\u062f\u0627\u062f \u062f\u0631 \u0633\u06cc \u0634\u0627\u0631\u067e \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0639\u0628\u0627\u0631\u062a \u0627\u0633\u062a EventHandler \u0646\u0645\u0627\u06cc\u0646\u062f\u06af\u06cc \u06cc\u0627 EventHandler<TEventArgs>\u060c \u06a9\u0647 \u0628\u0647 \u062f\u0646\u0628\u0627\u0644 \u06cc\u06a9 \u0627\u0645\u0636\u0627\u06cc \u062e\u0627\u0635 \u0627\u0633\u062a.<\/p>\n
\u0645\u062b\u0627\u0644:<\/p>\n
public class EventPublisher
\n{
\n \/\/ Event based on the built-in EventHandler delegate
\n public event EventHandler EventOccured;<\/p>\n
public void TriggerEvent()
\n {
\n \/\/ Check if there are any subscribers
\n EventOccured?.Invoke(this, EventArgs.Empty);
\n }
\n}<\/p>\n
public class EventSubscriber
\n{
\n public void OnEventOccured(object sender, EventArgs e)
\n {
\n Console.WriteLine(“Event has occurred!”);
\n }
\n}<\/p>\n
class Program
\n{
\n static void Main(string[] args)
\n {
\n EventPublisher publisher = new EventPublisher();
\n EventSubscriber subscriber = new EventSubscriber();<\/p>\n
\/\/ Subscribe to the event
\n publisher.EventOccured += subscriber.OnEventOccured;<\/p>\n
\/\/ Trigger the event
\n publisher.TriggerEvent();
\n }
\n}<\/p>\n
\u0627\u06cc\u0646\u062c\u0627\u060c EventHandler \u06cc\u06a9 \u0646\u0645\u0627\u06cc\u0646\u062f\u0647 \u0627\u0632 \u067e\u06cc\u0634 \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0628\u0627 \u0627\u0645\u0636\u0627\u06cc\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0648 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u062f\u0627\u0631\u062f: \u0641\u0631\u0633\u062a\u0646\u062f\u0647 (\u0627\u0632 \u0646\u0648\u0639 object) \u0648 \u06cc\u06a9 EventArgs (\u06cc\u0627 \u0646\u0648\u0639 \u0645\u0634\u062a\u0642 \u0634\u062f\u0647).<\/p>\n
2. \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 EventHandler \u0628\u0627 \u0633\u0641\u0627\u0631\u0634\u06cc EventArgs<\/p>\n
\u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u0633\u0641\u0627\u0631\u0634\u06cc \u0645\u0634\u062a\u0642 \u0634\u062f\u0647 \u0627\u0632 \u0622\u0646 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u062f EventArgs \u0628\u0631\u0627\u06cc \u0627\u0646\u062a\u0642\u0627\u0644 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0628\u06cc\u0634\u062a\u0631 \u0647\u0646\u06af\u0627\u0645 \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u0631\u0648\u06cc\u062f\u0627\u062f.<\/p>\n
\u0645\u062b\u0627\u0644:<\/p>\n
public class CustomEventArgs : EventArgs
\n{
\n public string Message { get; }<\/p>\n
public CustomEventArgs(string message)
\n {
\n Message = message;
\n }
\n}<\/p>\n
public class EventPublisher
\n{
\n public event EventHandler<CustomEventArgs> EventOccured;<\/p>\n
public void TriggerEvent(string message)
\n {
\n EventOccured?.Invoke(this, new CustomEventArgs(message));
\n }
\n}<\/p>\n
public class EventSubscriber
\n{
\n public void OnEventOccured(object sender, CustomEventArgs e)
\n {
\n Console.WriteLine($”Event message: {e.Message}”);
\n }
\n}<\/p>\n
class Program
\n{
\n static void Main(string[] args)
\n {
\n EventPublisher publisher = new EventPublisher();
\n EventSubscriber subscriber = new EventSubscriber();<\/p>\n
publisher.EventOccured += subscriber.OnEventOccured;
\n publisher.TriggerEvent(“Hello from the event!”);
\n }
\n}<\/p>\n
\u0627\u06cc\u0646\u062c\u0627\u060c CustomEventArgs \u062d\u0627\u0648\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0627\u0636\u0627\u0641\u06cc (Message) \u0628\u0647 \u06af\u0631\u062f\u0627\u0646\u0646\u062f\u06af\u0627\u0646 \u0631\u0648\u06cc\u062f\u0627\u062f \u0645\u0646\u062a\u0642\u0644 \u0634\u062f.<\/p>\n
3. \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0646\u0645\u0627\u06cc\u0646\u062f\u06af\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc<\/p>\n
\u0628\u0647 \u062c\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0632 \u067e\u06cc\u0634 \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 EventHandler\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0646\u0645\u0627\u06cc\u0646\u062f\u0647 \u062e\u0648\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u062a\u0639\u0631\u06cc\u0641 \u06cc\u06a9 \u0627\u0645\u0636\u0627\u06cc \u0631\u0648\u06cc\u062f\u0627\u062f \u0633\u0641\u0627\u0631\u0634\u06cc \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f.<\/p>\n
\u0645\u062b\u0627\u0644:<\/p>\n
public delegate void CustomEventDelegate(string message);<\/p>\n
public class EventPublisher
\n{
\n public event CustomEventDelegate EventOccured;<\/p>\n
public void TriggerEvent(string message)
\n {
\n EventOccured?.Invoke(message);
\n }
\n}<\/p>\n
public class EventSubscriber
\n{
\n public void OnEventOccured(string message)
\n {
\n Console.WriteLine($”Event message: {message}”);
\n }
\n}<\/p>\n
class Program
\n{
\n static void Main(string[] args)
\n {
\n EventPublisher publisher = new EventPublisher();
\n EventSubscriber subscriber = new EventSubscriber();<\/p>\n
publisher.EventOccured += subscriber.OnEventOccured;
\n publisher.TriggerEvent(“Hello from the custom delegate event!”);
\n }
\n}<\/p>\n
4. \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 Action Delegate<\/p>\n
\u0631\u0627 Action delegate \u0628\u062e\u0634\u06cc \u0627\u0632 \u0686\u0627\u0631\u0686\u0648\u0628 \u062f\u0627\u062a \u0646\u062a \u0627\u0633\u062a \u0648 \u0631\u0648\u0634\u06cc \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0627\u0631\u0632\u0634 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u0646\u062f\u0627\u0631\u062f. \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc\u06cc \u0631\u0627 \u0628\u06af\u06cc\u0631\u062f \u06a9\u0647 \u0622\u0646 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627 \u0645\u0646\u0627\u0633\u0628 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n
\u0645\u062b\u0627\u0644:<\/p>\n
public class EventPublisher
\n{
\n public event Action<string> EventOccured;<\/p>\n
public void TriggerEvent(string message)
\n {
\n EventOccured?.Invoke(message);
\n }
\n}<\/p>\n
public class EventSubscriber
\n{
\n public void OnEventOccured(string message)
\n {
\n Console.WriteLine($”Action Event message: {message}”);
\n }
\n}<\/p>\n
class Program
\n{
\n static void Main(string[] args)
\n {
\n EventPublisher publisher = new EventPublisher();
\n EventSubscriber subscriber = new EventSubscriber();<\/p>\n
publisher.EventOccured += subscriber.OnEventOccured;
\n publisher.TriggerEvent(“Hello from Action-based event!”);
\n }
\n}<\/p>\n
\u0627\u06cc\u0646\u062c\u0627\u060c Action<string> delegate \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u06cc\u06a9 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0631\u0627 \u0645\u06cc \u06af\u06cc\u0631\u062f \u0648 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f void.<\/p>\n
5. \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 Func Delegate<\/p>\n
\u0631\u0627 Func delegate \u0631\u0648\u0634\u06cc \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0645\u0642\u062f\u0627\u0631\u06cc \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f. \u0627\u06af\u0631\u0686\u0647 \u06a9\u0645\u062a\u0631 \u0627\u062a\u0641\u0627\u0642 \u0645\u06cc \u0627\u0641\u062a\u062f \u06a9\u0647 \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0631\u0627 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u0646\u062f (\u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627 \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0634\u0646\u0648\u0646\u062f\u06af\u0627\u0646 \u0631\u0627 \u0645\u0637\u0644\u0639 \u0645\u06cc \u06a9\u0646\u0646\u062f\u060c \u0646\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0628\u0627\u0632\u062e\u0648\u0631\u062f)\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 Func \u0628\u0631\u0627\u06cc \u0637\u0631\u0627\u062d\u06cc \u0631\u0648\u06cc\u062f\u0627\u062f\u06cc \u06a9\u0647 \u0627\u0646\u062a\u0638\u0627\u0631 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u0631\u0627 \u062f\u0627\u0631\u062f.<\/p>\n
\u0645\u062b\u0627\u0644:<\/p>\n
public class EventPublisher
\n{
\n public event Func<string, bool> EventOccured;<\/p>\n
public void TriggerEvent(string message)
\n {
\n bool result = EventOccured?.Invoke(message) ?? false;
\n Console.WriteLine($”Event result: {result}”);
\n }
\n}<\/p>\n
public class EventSubscriber
\n{
\n public bool OnEventOccured(string message)
\n {
\n Console.WriteLine($”Func Event message: {message}”);
\n return message.Contains(“success”);
\n }
\n}<\/p>\n
class Program
\n {
\n static void Main(string[] args)
\n {
\n EventPublisher publisher = new EventPublisher();
\n EventSubscriber subscriber = new EventSubscriber();<\/p>\n
publisher.EventOccured += subscriber.OnEventOccured;
\n publisher.TriggerEvent(“Hello with success!”);
\n }
\n}<\/p>\n
\u0627\u06cc\u0646\u062c\u0627\u060c Func<string, bool> \u0631\u0648\u06cc\u062f\u0627\u062f\u06cc \u0631\u0627 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 a \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f bool \u0628\u0631 \u0627\u0633\u0627\u0633 \u067e\u06cc\u0627\u0645 \u0627\u0631\u0633\u0627\u0644 \u0634\u062f\u0647<\/p>\n
6. \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0646\u0627\u0634\u0646\u0627\u0633 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0631\u0648\u06cc\u062f\u0627\u062f<\/p>\n
\u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0646\u0627\u0634\u0646\u0627\u0633 \u06cc\u0627 \u0639\u0628\u0627\u0631\u0627\u062a \u0644\u0627\u0645\u0628\u062f\u0627 \u062f\u0631 \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627 \u0645\u0634\u062a\u0631\u06a9 \u0634\u0648\u06cc\u062f.<\/p>\n
\u0645\u062b\u0627\u0644:<\/p>\n
public class EventPublisher
\n{
\n public event EventHandler EventOccured;<\/p>\n
public void TriggerEvent()
\n {
\n EventOccured?.Invoke(this, EventArgs.Empty);
\n }
\n}<\/p>\n
class Program
\n{
\n static void Main(string[] args)
\n {
\n EventPublisher publisher = new EventPublisher();<\/p>\n
\/\/ Subscribe with an anonymous method
\n publisher.EventOccured += delegate (object sender, EventArgs e)
\n {
\n Console.WriteLine(“Event handled using anonymous method”);
\n };<\/p>\n
\/\/ Subscribe with a lambda expression
\n publisher.EventOccured += (sender, e) =>
\n {
\n Console.WriteLine(“Event handled using lambda expression”);
\n };<\/p>\n
publisher.TriggerEvent();
\n }
\n}<\/p>\n
\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0631\u062f\u060c \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647 \u0631\u0648\u06cc\u062f\u0627\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0648\u0634 \u0647\u0627\u06cc \u0646\u0627\u0634\u0646\u0627\u0633 \u06cc\u0627 \u0639\u0628\u0627\u0631\u0627\u062a \u0644\u0627\u0645\u0628\u062f\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u062f\u0631\u0648\u0646 \u062e\u0637\u06cc \u0645\u0634\u062e\u0635 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n
7. \u0645\u062f\u06cc\u0631\u06cc\u062a \u0635\u0631\u06cc\u062d \u0631\u0648\u06cc\u062f\u0627\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0627\u0628\u0637<\/p>\n
\u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0635\u0631\u0627\u062d\u062a \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0628\u062e\u0634\u06cc \u0627\u0632 \u06cc\u06a9 \u0631\u0627\u0628\u0637 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u062f\u060c \u0648 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0627\u06cc\u0646 \u0631\u0627\u0628\u0637 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc \u06a9\u0646\u0646\u062f \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0645\u062f\u06cc\u0631\u06cc\u062a \u0631\u0648\u06cc\u062f\u0627\u062f \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u0646\u062f.<\/p>\n
\u0645\u062b\u0627\u0644:<\/p>\n
public interface IEventPublisher
\n{
\n event EventHandler EventOccured;
\n}<\/p>\n
public class EventPublisher : IEventPublisher
\n{
\n public event EventHandler EventOccured;<\/p>\n
public void TriggerEvent()
\n {
\n EventOccured?.Invoke(this, EventArgs.Empty);
\n }
\n}<\/p>\n
public class EventSubscriber
\n{
\n public void OnEventOccured(object sender, EventArgs e)
\n {
\n Console.WriteLine(“Event handled from interface”);
\n }
\n}<\/p>\n
class Program
\n{
\n static void Main(string[] args)
\n {
\n EventPublisher publisher = new EventPublisher();
\n EventSubscriber subscriber = new EventSubscriber();<\/p>\n
IEventPublisher iPublisher = publisher;
\n iPublisher.EventOccured += subscriber.OnEventOccured;<\/p>\n
publisher.TriggerEvent();
\n }
\n}<\/p>\n
\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c IEventPublisher \u0627\u06cc\u0646\u062a\u0631\u0641\u06cc\u0633 \u0631\u0648\u06cc\u062f\u0627\u062f \u0648 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc \u0645\u0634\u0627\u0628\u0647 \u0631\u0627 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc\u200c\u06a9\u0646\u062f EventPublisher \u0628\u0627\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u062f.<\/p>\n
8. \u0646\u0645\u0627\u06cc\u0646\u062f\u06af\u0627\u0646 \u0686\u0646\u062f \u0628\u0627\u0632\u06cc\u06af\u0631\u06cc \u0648 \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627<\/p>\n
\u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627\u06cc \u0633\u06cc \u0634\u0627\u0631\u067e \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0686\u0646\u062f \u067e\u062e\u0634\u06cc \u0628\u0627\u0634\u0646\u062f\u060c \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u06a9\u0647 \u0686\u0646\u062f\u06cc\u0646 \u0631\u0648\u0634 \u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u062f\u0631 \u067e\u0627\u0633\u062e \u0628\u0647 \u06cc\u06a9 \u0631\u0627\u0647\u200c\u0627\u0646\u062f\u0627\u0632 \u0631\u0648\u06cc\u062f\u0627\u062f \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u06a9\u0631\u062f.<\/p>\n
\u0645\u062b\u0627\u0644:<\/p>\n
public class EventPublisher
\n{
\n public event Action<string> EventOccured;<\/p>\n
public void TriggerEvent(string message)
\n {
\n EventOccured?.Invoke(message);
\n }
\n}<\/p>\n
public class EventSubscriber
\n{
\n public void FirstHandler(string message)
\n {
\n Console.WriteLine($”First handler: {message}”);
\n }<\/p>\n
public void SecondHandler(string message)
\n {
\n Console.WriteLine($”Second handler: {message}”);
\n }
\n}<\/p>\n
class Program
\n{
\n static void Main(string[] args)
\n {
\n EventPublisher publisher = new EventPublisher();
\n EventSubscriber subscriber = new EventSubscriber();<\/p>\n
publisher.EventOccured += subscriber.FirstHandler;
\n publisher.EventOccured += subscriber.SecondHandler;<\/p>\n
publisher.TriggerEvent(“Hello to multiple handlers!”);
\n }
\n}<\/p>\n
\u0627\u06cc\u0646\u062c\u0627\u060c \u0647\u0631 \u062f\u0648 FirstHandler \u0648 SecondHandler \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0631\u0648\u06cc\u062f\u0627\u062f \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u0645\u06cc \u0634\u0648\u062f\u060c \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u0634\u0648\u0646\u062f.<\/p>\n
\u0627\u06cc\u0646\u0647\u0627 \u0631\u0627\u06cc\u062c \u062a\u0631\u06cc\u0646 \u0631\u0627\u0647 \u0647\u0627 \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u0648 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627 \u062f\u0631 \u0633\u06cc \u0634\u0627\u0631\u067e \u0647\u0633\u062a\u0646\u062f. \u0627\u06cc\u0646 \u06a9\u0647 \u0622\u06cc\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0646\u0645\u0627\u06cc\u0646\u062f\u06af\u0627\u0646 \u062f\u0627\u062e\u0644\u06cc \u0645\u0627\u0646\u0646\u062f Action\u060c Func\u060c \u06cc\u0627 EventHandler\u060c \u06cc\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u0648\u0627\u0631\u062f \u0633\u0641\u0627\u0631\u0634\u06cc\u060c \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u0646\u062f \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0642\u0648\u06cc \u0648 \u062c\u062f\u0627 \u0634\u062f\u0647 \u0628\u0633\u0627\u0632\u06cc\u062f.<\/p>\n
\u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u06cc\u062f \u0628\u0627 \u0627\u062c\u0631\u0627\u06cc \u0646\u0647\u0627\u06cc\u06cc \u062e\u0644\u0627\u0635\u0647 \u06a9\u0646\u06cc\u0645<\/p>\n
using System;<\/p>\n
public class EventExamples
\n{
\n \/\/ 1. Traditional event declaration with custom EventArgs
\n public class CustomEventArgs : EventArgs
\n {
\n public string Message { get; set; }
\n }
\n public event EventHandler<CustomEventArgs> TraditionalEvent;<\/p>\n
\/\/ 2. Event using Action delegate
\n public event Action SimpleEvent;<\/p>\n
\/\/ 3. Event using Action<T> delegate
\n public event Action<string> ParameterizedEvent;<\/p>\n
\/\/ 4. Event using Func<T, TResult> delegate
\n public event Func<string, bool> FuncEvent;<\/p>\n
\/\/ 5. Custom delegate event
\n public delegate void CustomDelegate(string message, int number);
\n public event CustomDelegate CustomEvent;<\/p>\n
\/\/ 6. Event with multiple parameters using Action
\n public event Action<string, int, bool> MultiParamEvent;<\/p>\n
\/\/ Methods to raise the events
\n public void RaiseTraditionalEvent(string message)
\n {
\n TraditionalEvent?.Invoke(this, new CustomEventArgs { Message = message });
\n }<\/p>\n
public void RaiseSimpleEvent()
\n {
\n SimpleEvent?.Invoke();
\n }<\/p>\n
public void RaiseParameterizedEvent(string message)
\n {
\n ParameterizedEvent?.Invoke(message);
\n }<\/p>\n
public bool RaiseFuncEvent(string input)
\n {
\n return FuncEvent?.Invoke(input) ?? false;
\n }<\/p>\n
public void RaiseCustomEvent(string message, int number)
\n {
\n CustomEvent?.Invoke(message, number);
\n }<\/p>\n
public void RaiseMultiParamEvent(string message, int number, bool flag)
\n {
\n MultiParamEvent?.Invoke(message, number, flag);
\n }
\n}<\/p>\n
\/\/ Usage example
\nclass Program
\n{
\n static void Main()
\n {
\n var examples = new EventExamples();<\/p>\n
\/\/ Subscribe to events
\n examples.TraditionalEvent += (sender, e) => Console.WriteLine($”Traditional event: {e.Message}”);
\n examples.SimpleEvent += () => Console.WriteLine(“Simple event fired”);
\n examples.ParameterizedEvent += message => Console.WriteLine($”Parameterized event: {message}”);
\n examples.FuncEvent += input => { Console.WriteLine($”Func event: {input}”); return true; };
\n examples.CustomEvent += (message, number) => Console.WriteLine($”Custom event: {message}, {number}”);
\n examples.MultiParamEvent += (message, number, flag) => Console.WriteLine($”Multi-param event: {message}, {number}, {flag}”);<\/p>\n
\/\/ Raise events
\n examples.RaiseTraditionalEvent(“Hello, World!”);
\n examples.RaiseSimpleEvent();
\n examples.RaiseParameterizedEvent(“Event with parameter”);
\n bool result = examples.RaiseFuncEvent(“Func event input”);
\n examples.RaiseCustomEvent(“Custom message”, 42);
\n examples.RaiseMultiParamEvent(“Multi-param”, 100, true);
\n }
\n}<\/p>\n
\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u062a\u0648\u0636\u06cc\u062d \u0645\u062e\u062a\u0635\u0631\u06cc \u062f\u0631 \u0645\u0648\u0631\u062f \u0647\u0631 \u0631\u0648\u0634 \u0622\u0648\u0631\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n
\u0631\u0648\u06cc\u062f\u0627\u062f \u0633\u0646\u062a\u06cc: \u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 EventHandler<T> \u0628\u0627 \u0633\u0641\u0627\u0631\u0634\u06cc EventArgs.
\n\u0631\u0648\u06cc\u062f\u0627\u062f \u0633\u0627\u062f\u0647: \u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 Action \u0646\u0645\u0627\u06cc\u0646\u062f\u06af\u06cc \u0628\u0631\u0627\u06cc \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627\u06cc \u0628\u062f\u0648\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631
\n\u0631\u0648\u06cc\u062f\u0627\u062f \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u06cc \u0634\u062f\u0647: \u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 Action<T> \u0628\u0631\u0627\u06cc \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627\u06cc\u06cc \u0628\u0627 \u06cc\u06a9 \u067e\u0627\u0631\u0627\u0645\u062a\u0631
\n\u0631\u0648\u06cc\u062f\u0627\u062f Func: \u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 Func<T, TResult> \u0628\u0631\u0627\u06cc \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0645\u0642\u062f\u0627\u0631\u06cc \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.
\n\u0631\u0648\u06cc\u062f\u0627\u062f \u0646\u0645\u0627\u06cc\u0646\u062f\u06af\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc: \u06cc\u06a9 \u0646\u0645\u0627\u06cc\u0646\u062f\u0647 \u0633\u0641\u0627\u0631\u0634\u06cc \u0628\u0631\u0627\u06cc \u0627\u0645\u0636\u0627\u0647\u0627\u06cc \u0631\u0648\u06cc\u062f\u0627\u062f \u067e\u06cc\u0686\u06cc\u062f\u0647 \u062a\u0631 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc \u06a9\u0646\u062f.
\n\u0631\u0648\u06cc\u062f\u0627\u062f \u0686\u0646\u062f \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u06cc: \u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 Action<T1, T2, T3> \u0628\u0631\u0627\u06cc \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627\u06cc\u06cc \u0628\u0627 \u0686\u0646\u062f\u06cc\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631<\/p>\n
\u062f\u0631 \u0633\u06cc \u0634\u0627\u0631\u067e \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627 \u06cc\u06a9 \u0648\u06cc\u0698\u06af\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0628\u0647 \u0627\u0634\u06cc\u0627 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u0628\u0627 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u0631\u0642\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f. \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0627\u0644\u06af\u0648\u06cc \u0646\u0627\u0638\u0631<\/strong>\u060c \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u06cc\u06a9 \u0634\u06cc (\u0645\u0648\u0636\u0648\u0639) \u0628\u0647 \u0627\u0634\u06cc\u0627\u0621 \u062f\u06cc\u06af\u0631 (\u0646\u0627\u0638\u0631\u0627\u0646) \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0645\u0648\u0631\u062f \u0639\u0644\u0627\u0642\u0647 \u0631\u062e \u0645\u06cc \u062f\u0647\u062f \u0627\u0637\u0644\u0627\u0639 \u0645\u06cc \u062f\u0647\u062f. \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627 \u062f\u0631 \u0633\u06cc \u0634\u0627\u0631\u067e \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u0646\u0645\u0627\u06cc\u0646\u062f\u06af\u0627\u0646<\/strong>\u060c \u06a9\u0647 \u0627\u0646\u0648\u0627\u0639\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0627\u0631\u062c\u0627\u0639 \u0628\u0647 \u0631\u0648\u0634 \u0647\u0627\u06cc\u06cc \u0631\u0627 \u0628\u0627 \u0627\u0645\u0636\u0627\u06cc \u062e\u0627\u0635 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u0646\u062f.<\/p>\n \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u062a\u0641\u06a9\u06cc\u06a9 \u0639\u0645\u06cc\u0642 \u0627\u0632 \u062a\u0645\u0627\u0645 \u0631\u0627\u0647 \u0647\u0627\u06cc \u0645\u0645\u06a9\u0646 \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u0648 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627 \u062f\u0631 \u0633\u06cc \u0634\u0627\u0631\u067e\u060c \u0627\u0632 \u062c\u0645\u0644\u0647 \u0646\u0645\u0648\u0646\u0647 \u0647\u0627\u06cc\u06cc \u0628\u0627 \u0627\u0642\u062f\u0627\u0645<\/strong>\u060c \u062a\u0627\u0628\u0639<\/strong>\u060c \u0648 \u0646\u0645\u0627\u06cc\u0646\u062f\u06af\u0627\u0646 \u0633\u0641\u0627\u0631\u0634\u06cc.<\/p>\n