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autocad 2002 bible bonus_appe

autocad 2002 bible bonus_appe - APPENDIX Command and System...

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Command and System Variable Changes W hen you upgrade to a new release of AutoCAD, one way to quickly identify what’s new is to look at a list of new commands. Also, you need to know which commands have been discontinued or significantly changed — you may have to redo some script files, AutoLISP routines, and cus- tomized menus, or simply find new ways of accomplishing old tasks. This appendix provides the information you need to smooth the upgrade learning curve. At one time, all system variables were command-line affairs, but now most are set in dialog boxes. When a system variable is set in a dialog box, you hardly need to know about it (unless you are customizing AutoCAD). However, some sys- tem variables still need to be typed on the command line and are therefore useful to know about. This appendix lists these system variables. I also list new and changed system variables. AutoCAD’s Help contains a Command Reference that includes every command and system variable. The Readme file (Help Help Contents tab Getting Information AutoCAD 2002 Readme) also has information on command and system vari- able changes that didn’t make it into the regular Help docu- mentation. Another source of information is a summary of new features that you can find by choosing Help What’s New. E E A P P E N D I X In This Appendix New commands Discontinued and changed commands New system variables Discontinued and changed system variables Command-line system variables Learning the ropes in AutoCAD 2002
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CD-52 Appendixes Commands Table E-1 lists the commands that are new to AutoCAD 2000i and 2002. Table E-1 New Commands in AutoCAD 2000i and 2002 Command Description 3DORBITCTR Specifies the center of the 3D Orbit display. ASSIST Opens the Active Assistance help window. ATTSYNC Prompts you to select a block and then updates all instances of that block with the current attributes defined for the block. CHECKSTANDARDS Opens the Check Standards dialog box so you can check a drawing against its standards file. CLOSEALL Closes all open drawings. CONVERTCTB Converts a color-dependent plot style table (CTB) to named plot style tables (STB), one for each color with unique plot properties, another for each group of colors that have the same plot properties, and a default named plot style called NORMAL. CONVERTPSTYLES Converts the current drawing to either named or color-dependent plot styles, whichever type the drawing is not currently using. CUSTOMIZE Opens the Customize dialog box in which you can customize toolbars, buttons, and keyboard shortcuts. DBLCLKEDIT Determines whether a dialog box opens when you double-click an object so you can edit the object. A value of ON means that a dialog box opens; OFF means that no dialog box opens.
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