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。

youdao

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。

youdao

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。

youdao