讲述MFC AppWizard的原理与MFC程序框架的剖析。AppWizard是一个源代码生成工具，是计算机辅助程序设计工具，WinMain在MFC程序中是如何从源程序中被隐藏的，theApp全局变量是如何被分配的，MFC框架中的几个类的作用与相互关系，MFC框架窗口是如何产生和销毁的，对窗口类的PreCreateWidow和OnCreate两个函数的着重分析,Windows窗口与C++中的CWnd类的关系。-About the principles and MFC MFC AppWizard application fr a mework for Analysis. AppWizard is a source code generation tool, computer-aided process design tools, WinMain in MFC program is to be hidden from the source, theApp how global variables are allocated, MFC fr a mework the role of several classes with each other relations, MFC fr a me window is how to generate and destruction of the window class PreCreateWidow and analyzed two functions OnCreate, Windows window and C++ CWnd class in the relationship.