这个程序是在MFC对IniFile类和BtnST类的应用！这两个类大家应该都很熟悉，希望大家好好学习-This procedure is in the MFC of the inifile class and type of application BtnST! These two categories we should be very familiar with, hope we can learn from

由于c#没有IP输入控件，自己做了一个控件，实现IP的合法输入-C# does not have an IP input control, do a control, IP-legally imported