第章库模块、知识对象的使用 Find CD Drive Knowledge Object: Introduction 区 Introduction The Find CD Drive Knowledge Object locates the first CD-ROM Return value drive on the computer running your piece. Use this Knowledge Object at the beginning of your piece so that icons that need to Finish access the CD-ROM drive appear after the Find CD Drive Knowledge Object icon on the flowline Specify a variable that will contain the CD-ROM drive's letter or path in the Return value page of this wizard. Use this variable later in your piece to refer to files located on the CD-RoM disk B-Back Next-> Done 图8-16【 Introduction】(介绍)对话框第八章 库、模块、知识对象的使用 图8-16 【Introduction】（介绍）对话框