书籍源程序（COM原理与应用－－潘爱民著）这是学习COM的一本好书，这是此书的全部源代码-source books (COM Principles and Applications -- Pan Aimin a) This study is a COM books This is a book full source code

使用C#操作Excel表，原理是把操作Excel表制作个COM中间件，然后在新的工程中引入使用。-Operation Excel using C# form (the principle of operation of Excel is to create a COM middleware table, and then the introduction of new projects to use)