AutoCAD LT 2006: The Definitive Guide

Changing button definitions
Customizing shortcut menus
Digitizing tablet menus
After covering menus, shortcut keystrokes, toolbars, and workspaces, all that's left in the Customize User Interface dialog box are buttons, shortcut menus, and tablet menus.
Most mice have two, three, or more buttons. In AutoCAD LT, different buttons perform different functions and almost all of them can be redefined. The left button (called Button1 by AutoCAD LT) is always the pick button and cannot be redefined. Pucks used with digitizing tablets have as many as 16 buttons.
Buttons are customized by the Customize User Interface dialog box's Mouse Buttons section.
Parsing breaking apart programming code for easier reading
AUX defines functions of auxiliary input devices
$P0 specifies the default shortcut menu
The default functions of mouse and tablet buttons are listed in the table below.
| Button | Function | Macro |
|---|---|---|
| 1 | Pick | none |
| 2 | Grips menu | $M=$(if,$(eq,$(substr,$(getvar,cmdnames),1,5),GRIP_), $P0=ACLT.GRIPS $P0=*); |
| 3 | Snap menu | $P0=SNAP $p0 =* |
| 4 | Cancel | ^C^C |
| 5 | Toggle snap | ^B |
| 6 | Toggle ortho | ^O |
| 7 | Toggle grid | ^G |
| 8 | Toggle coords | ^D |
| 9 | Toggle isoplane | ^E |
| 10 | Toggle tablet | ^T |
| 11 | no default function | |
| 12 | no default function | |
| 13 | no default function | |
| 14 | no default function | |
| 15 | no default function |
AutoCAD LT 2006 renames the AUX section as "Mouse Buttons." AUX was originally meant for "auxiliary" input devices, such as button boxes, an input device with many buttons that executes...