程序移植到AUTOCAD2013笔记

1：需要引用acmgd.dll acdbmgd.dll,AcCoreMdg.dll, accui.dll 四个dll

2: 2010下的的acmgd.dll被拆分为acmgd.dll和AcCoreMdg.dll两个文件,

其中AcCoreMdg.dll存储核心方法,acmgd.dll存储扩展方法;

3：共4个类被拆分为核心方法和扩展方法到AcCore.Mdg.dll AcMgd.dll 

• Document (and DocumentExtension)
• DocumentCollection (and DocumentCollectionExtension)
• Editor (and EditorExtension)
• Window (and WindowExtension)

待