软件的内容全部收集自网络及Visual Basic软件本身的相关内容，而本人进行稍作修改，增加了相应范例代码。如果您觉得有用，您完全可以自由引用，希望对你有用，感谢您的使用！-Software content of all collected from the network and Visual Basic software itself relevant content, and I conducted with some slight modifications, an increase of the corresponding sample code. If you find it useful, you can be freely quoted, in the hope that useful to you, thank you for your use!