WebJun 26, 2024 · One potential solution is to create a new set of EventArgs, like this: public class NameEventArgs: System.EventArgs { String FirstName {get; set;} String LastName {get; set;} } Then, create an event delegate: public delegate void NameEventHandler (object sender, NameEventArgs e); Instantiate the event delegate: WebAug 20, 2012 · public class MyEventArgs : EventArgs { public string MyEventString {get; set; } public MyEventArgs(string myString) { this.MyEventString = myString; } } Then in …

Step by Step: Event handling in C# - CodeProject

Web1 day ago · Upcasting in C#. Upcasting is a concept in C# that allows us to treat a derived class as its base class. In other words, upcasting is the process of converting an object … WebSep 8, 2024 · The standard event pattern uses the EventArgs object to include fields that event subscribers can use to communicate cancel. Two different patterns could be used, … pennasol 5w30 longlife 3

EventArgs Class (System) Microsoft Learn

http://bbs.wankuma.com/index.cgi?mode=all&namber=101751 Web// Subscribe to event, probably in class constructor / initializer method StringReturnEvent += HandleStringReturnEvent; // Handle event, return data private string HandleStringReturnEvent(object sender, EventArgs e) { return "a string to return"; } WebDec 17, 2015 · EventArgs is something of a dummy base class. In and of itself it's more or less useless, but if you derive from it, you can add whatever data you need to pass to your event handlers. When you implement your own events, use an EventHandler or EventHandler as their type. penn asian senior services