AutoCAD indicates that you are in a transparent command with the display of > in front of the command prompt. To use a command transparently, simply start another command that displays a command prompt such as the LINE command, and then enter 'ZOOM at the command prompt while the LINE command is still in progress. There are many other commands that can be used transparently, as well and those are often used to control entity property settings such as COLOR, LTYPE, and SETVAR. The most commonly used commands that are used transparently are ZOOM, PAN, and -VIEW.
Most commands can not be used transparently when other commands are running.
' (Apostrophe) - The apostrophe symbol is used by some commands that can be used while another command is already in progress, in this state a command is known as a transparent command. If a plus is placed in front of the command you are able to browse and select an existing DSD file from a standard file navigation dialog box. Another version of a command that can use the plus symbol is the variation of the PUBLISH command. If you want to display the User Preferences tab you would enter a value of 5, the leftmost tab is 0. When the +OPTIONS is typed at the command line the prompt Tab index : is displayed. The most common commands that have a plus symbol in front of their name are the ones with tabs, such as the Options dialog box or UCS dialog box. + (Plus) - There are a couple different types of commands that use the plus symbol in front of commands. (Hyphen) - Command displays command prompts instead of a dialog box, in most cases the commands that support a version of the command are ones that display a dialog box. Below is a listing of a few characters that you might encounter when creating your own macros, or when you are trying to create a basic script to automate AutoCAD or AutoCAD LT. The PLOT command displays a dialog box under normal situations, while the -PLOT command displays a series of command prompts to help plot a drawing. Both the PLOT and -PLOT command allow you to plot a drawing, but to get to the final output from the command the process is a little bit different. For example, to plot a drawing you would use the PLOT command, but there is also a -PLOT command. In today's Mail Bag, a reader has a question about why there are some commands that have an additional character in front of their names and there is the same command with out that additional character. The Mail Bag has become one of my favorite new little segments on my blog, and by the number of comments that I have been getting it looks like many others agree as well.
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