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    By Miles Nicholson

    Recently I was posed an interesting requirement. A client wanted the ability to change the linetype properties of selected blocks in a schematic to represent that this device or devices are external.

    AutoCAD Electrical defaults to the SYMS layer for symbols and a linetype of CONTINUOUS.

    However I came across a post on www.autolisp.com that fitted the exact requirement.


    In notepad, copy the text below and save the file as LTCHANGE.LSP in one of your support directories e.g. C:\Program Files\Autodesk\AutoCAD 2014\Support.



    Type APPLOAD at the AutoCAD command line and add the LSP to the Start-Up > Contents

    To initialise the command type LTCHANGE

    Type the name of the layer you want e.g. HIDDEN2 (must be a loaded layer in LINETYPES and within the current drawing)

    Pick the blocks you wish to change.



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