This article introduces the eventhandler in C# through case examples. Friends who need it can refer to it. I won’t go into too much nonsense. The specific details are as follows: //A water tank class is defined here. public class water tank { //This is the water draining operation of the water tank public void release() { } //This is the property of the water tank public double volume; //This is an empty water tank event public event EventHandler water tank empty; } //A water dispenser class is defined here public class water dispenser { public voi
1. Detailed explanation of EventHandler in C
Introduction: This article introduces eventhandler in c# through case examples. Friends who need it can refer to it
Introduction: When the window is refreshed, a Paint event will be generated, then we add a processing function to this event. Then draw the graph in this function. This ensures that the drawn picture will not be refreshed and can always be displayed. The delegate corresponding to the Paint event is: public delegate void PaintEventHandler(object sender, PaintEventArgs e); Let’s start with the simplest drawing, drawing a line on the window. (Create a WindowsForms application)
3. javascriptieff Automatically add events
Introduction: script type="text/ javascript" function addEventHandler(target, type, func) { if (target.addEventListener) target.addEventListener(type, func, false); else if (target.attachEvent) target.attachEvent("on" + type, func); else target["on" + ty
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