本文整理汇总了C#中System.EventArgs.Empty字段的典型用法代码示例。如果您正苦于以下问题：C# EventArgs.Empty字段的具体用法？C# EventArgs.Empty怎么用？C# EventArgs.Empty使用的例子？那么恭喜您, 这里精选的字段代码示例或许可以为您提供帮助。您也可以进一步了解该字段所在类System.EventArgs的用法示例。
在下文中一共展示了EventArgs.Empty字段的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Main
//引入命名空间
using System;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
Counter c = new Counter(new Random().Next(10));
c.ThresholdReached += c_ThresholdReached;
Console.WriteLine("press 'a' key to increase total");
while (Console.ReadKey(true).KeyChar == 'a')
{
Console.WriteLine("adding one");
c.Add(1);
}
}
static void c_ThresholdReached(object sender, EventArgs e)
{
Console.WriteLine("The threshold was reached.");
Environment.Exit(0);
}
}
class Counter
{
private int threshold;
private int total;
public Counter(int passedThreshold)
{
threshold = passedThreshold;
}
public void Add(int x)
{
total += x;
if (total >= threshold)
{
OnThresholdReached(EventArgs.Empty);
}
}
protected virtual void OnThresholdReached(EventArgs e)
{
EventHandler handler = ThresholdReached;
if (handler != null)
{
handler(this, e);
}
}
public event EventHandler ThresholdReached;
}
}