LISP调用VB生的DLL文件实例,用于画圆的一个程序-The LISP call VB raw DLL file instance, a program used to draw a circle

使用VB在AutoCAD中画点，在AutoCAD编程中很实用，也可以以此扩展画线及其它几何图形-Use VB to draw points in AutoCAD

利用Autocad的lisp编程代码不用在VBA中引用直接用lisp语言调用VB编制的带窗体的D-Make use of an Autocad the lisp plait distance code need not quote from to directly adjust with the lisp language to draw up with the VB in VBA of take DLL of window body