Posted by stuff at cadaddon on September 10, 2002 at 20:07:11:
These provide capabilities that AutoCAD does not have for blocks, such as changing colors, line thickness, and text labels. Also automates the replacement and counting of blocks.
Block aliasing, which allows for simultaneous block changes;
Change the color of selected block;
Change the line thickness of selected block;
Rotate the text of selected block;
Change text style and size of selected block;
Count blocks of the same type, in current or in multiple drawings, based on user-defined attributes and conditions;