eventargs

For the second argument , I pass an empty EventArgs object .

对于第二个参数，我传递一个空的EventArgs对象。

EventHandler is a delegate for a function that takes an Object ( the sender ) and EventArgs

这里EventHandler是某个函数的委托，该函数带有参数：Object（也就是sender）和EventArgs

To satisfy the parameter requirements of the button1_Click method I need to pass an object that represents the sender and an EventArgs object that represents optional event data .

privatevoidbutton1Click（objectsender，System.EventArgse）为了满足button1Click方法的参数需要，我需要传递一个表示发送方的对象和一个表示可选事件数据的EventArgs对象。

The class file actually contains a series of classes that inherit from and extend the DataSet , DataTable , DataRow , and EventArgs classes .

该类文件实际上包含一系列类，这些类继承并扩展了DataSet、DataTable、DataRow和EventArgs类。

Above and beyond the standard EventArgs members , the ElapsedEventArgs class exposes a public SignalTime property , which contains the exact time the timer elapsed .

除了标准的EventArgs成员，ElapsedEventArgs类暴露了一个公共的SignalTime属性，它包含了一个精确的定时器时间片消失的时间。