在C#中弹出窗口，有现成的函数供我们用，今天就是使用MessageBox.Show来实现弹出窗口，如果你对其用法不太熟悉，你正好可比照本源码实例来学习一下。-Pop-up window in C#, there are ready-made functions for us to use, to achieve today is to use MessageBox.Show pop-up window, if you are not familiar with its usage, you ju