一个为AutoCAD的VBA　IDE增加鼠标滚轮功能的外接程序。

SDS is an acronym for Solutions Development System, a C/C++ language interface compatible with the ADS® (AutoCAD® Development System) interface found in other CAD systems. SDS provides hooks into IntelliCAD, allowing you to create custom applic

Autocad 中用arx编制的鼠标钩子例程，用来捕获鼠标的输入-Autocad arx prepared using the mouse hook routine, used to capture mouse input