IP地址输入控件，本控件是在网上开源代码改写而来，增加VisualStyle控件，增加出错提示等，修改原来的Bug，更加适合XP主题的开发-IP Address input controls, the controls in the online open-source code rewritten from VisualStyle increased controls, such as increase in error, modify the original Bug, more suitable for the development of the theme XP