AutoCAD 2006 如何实现lisp调用带参数的.net命令？

革天明

如题，如果在.net 中定义一个函数fuc1(int a,intb)，中间以c=a+b做为返回值，如何在lisp程序中调用此函数？希望能在AutoCAD 2006中解决，LispDataType一使用就出现如下错误：
命名空间“Autodesk.AutoCAD.Runtime”中不存在类型或命名空间名称“LispDataType”。是否缺少程序集引用?

鱼与熊掌

........

2. using Autodesk.AutoCAD.ApplicationServices;
   
3. using AcadApp = Autodesk.AutoCAD.ApplicationServices.Application;
   
4. using Autodesk.AutoCAD.DatabaseServices;
   
5. using Autodesk.AutoCAD.Windows;
   
6. using Autodesk.AutoCAD.EditorInput;
   
7. using Autodesk.AutoCAD.Runtime;
   
8. using Autodesk.AutoCAD.Geometry;
   
9. using Autodesk.AutoCAD.GraphicsSystem;

using Autodesk.AutoCAD.ApplicationServices;<br /> using AcadApp = Autodesk.AutoCAD.ApplicationServices.Application;<br /> using Autodesk.AutoCAD.DatabaseServices;<br /> using Autodesk.AutoCAD.Windows;<br /> using Autodesk.AutoCAD.EditorInput;<br /> using Autodesk.AutoCAD.Runtime;<br /> using Autodesk.AutoCAD.Geometry;<br /> using Autodesk.AutoCAD.GraphicsSystem;

记得引用Dll库.  然后Using.

革天明

鱼与熊掌 发表于 2015-10-9 17:39
........记得引用Dll库.  然后Using.

能给出一个简单的例子吗？包括平台。刚开始学习C#，当前CAD2008 VS2010