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  ChangeLayer

  • ChangeLayer — DCL layer picker with wildcard filter and “pick from drawing” option
  • Lists only visible layers (not off, not frozen) and supports * / ? pattern matching
  • Remembers the last filter via environment variable and can auto-filter based on an object’s layer
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  ChangeLayerToSelected

  • ChangeLayerToCurrent — DCL filtered layer chooser + optional “pick layer from drawing”, then move selected objects to that layer
  • Filters layer names (non-Xref only) using a substring-style match and remembers last filter + last chosen layer
  • After choosing a layer, prompts for a multi-selection of objects and runs CHPROP to change their layer
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  DeleteLayerByFilter

  • DeleteLayerByFilter — embedded DCL layer deleter with filter + multi-select, using -LAYDEL scripted sequence with VLA fallback
  • v10 change: fixes the -LAYDEL command sequence to mirror manual steps: ._-LAYDEL → _N → <name> → "" → _Y (plus localized fallback)
  • Excludes Xref layers and reserved layers (0, DEFPOINTS) and reports deleted vs failed
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  DuplicateToNewLayer

  • DUPLICATELAYER / DUPLICATELAYERCURRENT — duplicate a layer’s properties into a new layer name via DCL, then set it current (optionally move the selected object).
  • Copies common layer properties (Color, Linetype, Lineweight, Description) and PlotStyleName when available (STB-aware).
  • DCL dialog asks for the new layer name and includes an “assign selected object” checkbox (used by DUPLICATELAYER).
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  DuplicateToSelectedLayer

  • DuplicateToSelectedLayer — duplicate selected entities onto a chosen target layer via a simple DCL layer picker, then bring the copies to front and preselect them
  • Remembers the last chosen layer and defaults the dialog selection accordingly
  • Uses COPY with zero displacement to create duplicates in place, then CHPROP + DRAWORDER on the new entities
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  FreezeLayersInMS

  • FLMS3 — Model Space layer control dialog: filter + multi-select + batch actions (Freeze/Off/Lock/Plot, etc.) with optional Xref scoping
  • Fixes: filters never show stray “T”; Xref layer names are displayed without the xref| prefix while operations still use full names internally
  • Persists filter/toggle/xref selections between runs via environment variables
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  LayerCreation

  • LayerCreation — create/update a layer with True Color + Color Books support, plus a “Set as current layer” toggle (DCL with CLI fallback).
  • Fields: Name, Color (ACI / RGB / ColorBook), Linetype, Lineweight, Transparency; also sets defaults for NEW objects (CELTSCALE, CETRANSPARENCY, THICKNESS).
  • Runs a DCL dialog when the DCL core is healthy; otherwise runs NEWLAYERCLI (always works).
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  LayersNameToClipboard

  • LayersName2Clipboard — collect unique layer names from a user selection and copy them to the Windows clipboard as a newline-separated list
  • Uses an HTMLFile COM object to access clipboardData and write text directly to the clipboard
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  PurgeUnusedLayers

  • Purges unused layers using a dialog that scans the drawing and deletes layers with no entities on them.
  • Protects critical layers and the current layer and optionally skips Xref layers.
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  RenameLayer

  • LRN — DCL-driven batch layer renamer with search filter, add prefix/suffix, remove substring, replace text, optional ALL CAPS, and optional auto-merge after remove
  • Builds a matching layer list (excluding layer 0), then renames each layer via command-line -RENAME and optionally merges via -LAYMRG
  • Wraps operation in an Undo mark and shows an Express Tools progress meter
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  Zoom2Layer

  • Displays a filterable layer selection dialog and then zooms the view to the extents of all objects on the chosen layer.
  • Supports picking a layer directly from a selected object in the drawing and remembers the last filter used.