I wrote this is a small Brew completed the procedures, procedures to achieve the...

这是我写一个完成的Brew小程序，程序实现了IWindow接口，小程序中的窗体都可以从IWindow继承而来，阅读代码后可以明白怎么自己设计窗体相关的接口，加深对BREW接口机制的理解！-I wrote this is a small Brew completed the procedures, procedures to achieve the IWindow interface, procedures for the small window can be inherited from IWindow. read the code can understand how they design the interface window, a deeper understanding of the BREW interface mechanism understanding!