本文整理匯總了C#中System.EventArgs.Empty字段的典型用法代碼示例。如果您正苦於以下問題：C# EventArgs.Empty字段的具體用法？C# EventArgs.Empty怎麽用？C# EventArgs.Empty使用的例子？那麽, 這裏精選的字段代碼示例或許可以為您提供幫助。您也可以進一步了解該字段所在類System.EventArgs的用法示例。
在下文中一共展示了EventArgs.Empty字段的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: Main
//引入命名空間
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;
}
}