Nếu bạn thích, bạn có thể chọn một từ điển chính hoặc tùy chỉnh bằng cách sử dụng biến hệ thống Dctmain. Nhấp vào nút Trợ giúp và tìm kiếm cho Dctmain thêm về biến hệ thống Dctmain. Bạn cũng có thể chọn một từ điển từ tab tập tin của hộp thoại Options (hình 10,23, chọn Options từ menu ứng dụng). | using external references xrefs 461 Figure A diagram of Xref file relationships External reference files do not become part of the receiving files database. The combinations of Xrefs are limited only by your imagination but you should avoid multiple Xrefs of the same file in one drawing. KEEPING Track of Xref Locations Because Xref files don t become part of the file they re referenced into you must take care to keep them in a location where AutoCAD can find them when the referencing file is opened. This can be a minor annoyance when you need to send files to others outside your office. To help keep track of Xrefs click eTransmit from the Output tab s Send panel. See Chapter 29 for details. Insert Updating Blocks in Xrefs Several advantages are associated with using Xref files. Because the Xrefs don t become part of the drawing file s database the referencing files remain small. Also because Xref files are easily updated work can be split up among several people in a workgroup environment or on a network. For example for your hypothetical apartment building project one person can be editing the Common file while another works on Floorl and so on. The next time the composite or file is opened it automatically reflects any new changes made in the Xref files. If the Xref is updated while you still have the receiving file open you receive a balloon message telling you that an Xref requires a reload. Let s see how to set this up 1. Save and close the Xref-2 file and then open the file. 2. Update the unit plan you edited earlier in this chapter. Click Insert on the Home or Insert tab s Block panel. You can also type Insert J. 3. In the Insert dialog box click the Browse button and then locate and select . If you can t find your file you can use . Click Open and then click OK in the Insert dialog box. 4. At the warning message click Redefine Block. 462 chapter 15 advanced editing and organizing 5. At the .
