vc+arx2004+cad2004 一个简单好用的DOCKBAR实例-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

主要用于一些CAD在选择过程中的，对一些选择选项和消息的过滤-This sample shows how to use the ehanced SelectionSet API to ... (1) highlight a nested entity inside of an XRef (largely as implemented in the AutoCAD 2004 ARX API). This is referred to as sub