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When xref-dependent named objects are merged into a drawing through
binding, you can use them the same way you use the drawing's own named
objects. After you bind an xref-dependent named object, the vertical bar
character ( | ) is removed from the name and replaced with two dollar signs
($$) separated by a number (usually zero): for example, the referenced layer,
STAIR|STEEL, becomes STAIR$0$STEEL. You can then use the RENAME
command to change STAIR$0$STEEL to STEEL.
If you specify a layer whose associated linetype is not CONTINUOUS, the
referenced linetype is also bound. If you apply XBIND to a block, all named
objects that are referenced by the objects in the block are also bound. If the
block contains a reference to an xref, that xref and all of its dependent
definitions are bound.
Track External Reference Operations (Log File)
You can maintain a record of actions while attaching, detaching, and reloading
xrefs, and while loading a drawing containing xrefs.
This log is maintained only if the XREFCTL system variable is set to 1. The
default setting is 0.
The log file is an ordinary ASCII text file with the same name as the current
drawing and the file extension .xlg. If you load a drawing with the file name
sample.dwg, for example, the program searches for a log file named sample.xlg
in the current folder. If the file does not exist, a new file is created with that
name.
Once a log file has been created for a drawing, the program continues to
append information to it. The program writes a title section to the log file
each time the file is opened. If the log file becomes too large, you can delete
it.
Example: A Sample Title Section from an Xref Log File
This title section contains the name of the current drawing, the date and time,
and the operation being performed.
=============================
Drawing: detail
Date/Time: 09/28/99 10:45:20
Operation: Attach Xref
=============================
Reference Other Drawing Files | 475
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