swap or update), just sit back and let it do its thing. Once you tell it what you want to do (i.e. (You can't purge any object that is still 'in use'.) Only after a block definition has been purged, will ACAD actually go fetch the new, edited block you made.Īnd that's the beauty of the Swap/Update Block does all this for you in one single dialog box. The PURGE command will remove block definitions from a drawing, IF all existing instances have been erased. This is a time-saving and computer-resource saving measure it's faster and uses less processing power than actually going to an external file somewhere and copying the information all over again. Ive tried multiple ways to update the lines associated with an attribute on my title block, but it never seems to work. Im having a wierd issue with my DWT file. This is a problem that has stumped me for two days. Later, when you need to insert that block again, ACAD will use this already-existing copied information, which is called a 'block definition'. Its been a long time since Ive used Autocad Electrical so Im refreshing myself on everything. To expand slightly on jtoverka's (correct) reply, here's what is happening:Īny time you insert a block for the first time in ACAD-based software, there's something that happens in the background: the software makes a copy of that block and stores it in its internal drawing database. It will replace all existing instances of a block with the new, edited version (or an entirely different block, if that's what you need). AutoCAD Electrical has a special tool for this, Swap/Update Block.
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