C#做的窗体多文本框Demo实例，本来是打算做一个手机下载工具的UI界面。虽然没有完整做完，但多看看源码也是不错的参考。-C# to do a form text box Demo instance was going to do the UI interface of a mobile phone to download tools. Although there is no complete finish, but more than look at the source is also a