这是一个完整的记事本程序，可以通过C#编译成一个自制的记事本程序，可以修改代码，添加自己想要的功能-This is a complete Notepad, you can compile into a self-made C# Notepad program, you can modify the code, add features you want

vb编写的完整的记事本程序，打开txt，复制、剪切...功能齐全(VB prepared a complete Notepad program, open TXT, copy, cut, full-featured)