Short description
π Rename a selected AutoCAD block definition directly from a picked block reference, without needing to manually identify the original block name in the standard RENAME command.
Command:
RenameBlock
Description:
𧱠RenameBlock is a compact AutoLISP utility for renaming the block definition behind a selected block reference in the active drawing.
π The user selects a block reference, and the routine reads the real block name or EffectiveName when the selected object is a dynamic block.
π A text editor prompt is opened with the current block name, allowing the user to type a new valid block name while avoiding duplicate block names.
π Xrefs are excluded because the routine checks the block table record and does not process external references.
β©οΈ The operation is wrapped in an AutoCAD undo mark and temporarily suppresses command echo while running the internal RENAME command.
Helper function: (if any)β
β’ C:RenameBlock β main user command for selecting and renaming a block reference.
β’ getblk β repeated selection helper that prompts until a block selection is supplied.
β’ *error* β restores highlighting, closes the undo mark, and reports non-cancel errors safely.
Functionalities:
⒠𧱠Accepts one preselected INSERT or prompts the user to select one block reference.
β’ π§Ή Clears multiple preselected objects so the user can pick a single valid block.
β’ π Reads EffectiveName for dynamic blocks and Name for regular block references.
β’ π« Excludes xrefs from the rename workflow.
β’ β¨ Highlights the selected block during the rename operation and unhighlights it afterward.
β’ π Opens the current block name in the LISP text editor for easy editing.
β’ β
Rejects empty names, whitespace-only names, and names already used by another block definition.
β’ π Executes AutoCAD RENAME with the BLOCK option when the new name is different.
β’ β©οΈ Uses vla-startundomark and vla-endundomark so the rename can be undone cleanly.
β’ π£ Prints whether the block was renamed or the original name was retained.
Result:
β The result is a faster block-renaming workflow: pick a block reference, enter the new name, and let the command rename the underlying block definition in the drawing.
Images, animations etc.
XAML code:
ο»Ώ<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:src="clr-namespace:Autodesk.Windows;assembly=AdWindows"> <src:RibbonToolTip x:Key="RenameBlock"> <src:RibbonToolTip.ExpandedContent> <StackPanel> <TextBlock Background="AntiqueWhite" TextAlignment="Left"> <Bold>Function Syntax: RenameBlock</Bold> <LineBreak/> <Bold>Version: 1.1 Date: 20.06.2026 6:38:49PM</Bold> <LineBreak/> <Hyperlink>RenameBlock</Hyperlink> <LineBreak/> <TextBlock TextWrapping="Wrap" Foreground="Black"> <Bold>Description</Bold><LineBreak/> π Rename a selected AutoCAD block definition directly from a picked block reference, without needing to manually identify the original block name in the standard RENAME command.<LineBreak/> <Bold>Function Syntax</Bold><LineBreak/> β’ <Bold><Run Foreground="DarkRed">RenameBlock</Run></Bold><LineBreak/> <Bold>SEO Friendly Description</Bold><LineBreak/> 𧱠RenameBlock is a compact AutoLISP utility for renaming the block definition behind a selected block reference in the active drawing.<LineBreak/> π The user selects a block reference, and the routine reads the real block name or EffectiveName when the selected object is a dynamic block.<LineBreak/> π A text editor prompt is opened with the current block name, allowing the user to type a new valid block name while avoiding duplicate block names.<LineBreak/> π Xrefs are excluded because the routine checks the block table record and does not process external references.<LineBreak/> β©οΈ The operation is wrapped in an AutoCAD undo mark and temporarily suppresses command echo while running the internal RENAME command.<LineBreak/> <Bold>Functionalities</Bold><LineBreak/> ⒠𧱠Accepts one preselected INSERT or prompts the user to select one block reference.<LineBreak/> β’ π§Ή Clears multiple preselected objects so the user can pick a single valid block.<LineBreak/> β’ π Reads EffectiveName for dynamic blocks and Name for regular block references.<LineBreak/> β’ π« Excludes xrefs from the rename workflow.<LineBreak/> β’ β¨ Highlights the selected block during the rename operation and unhighlights it afterward.<LineBreak/> β’ π Opens the current block name in the LISP text editor for easy editing.<LineBreak/> β’ β Rejects empty names, whitespace-only names, and names already used by another block definition.<LineBreak/> β’ π Executes AutoCAD RENAME with the BLOCK option when the new name is different.<LineBreak/> β’ β©οΈ Uses vla-startundomark and vla-endundomark so the rename can be undone cleanly.<LineBreak/> β’ π£ Prints whether the block was renamed or the original name was retained.<LineBreak/> <Bold>Helper Functions and Internal Logic</Bold><LineBreak/> β’ <Bold><Run Foreground="DarkRed">C:RenameBlock</Run></Bold> β main user command for selecting and renaming a block reference. <LineBreak/> β’ <Bold><Run Foreground="DarkRed">getblk</Run></Bold> β repeated selection helper that prompts until a block selection is supplied. <LineBreak/> β’ <Bold><Run Foreground="DarkRed">*error*</Run></Bold> β restores highlighting, closes the undo mark, and reports non-cancel errors safely. <LineBreak/> <Bold>Result</Bold><LineBreak/> <Run Foreground="DarkGreen">β The result is a faster block-renaming workflow: pick a block reference, enter the new name, and let the command rename the underlying block definition in the drawing.</Run><LineBreak/> <Bold>Important Notes</Bold><LineBreak/> β’ <Run Foreground="DarkOrange">β οΈ This command renames the block definition globally, so every reference using that definition receives the new name.</Run><LineBreak/> β’ <Run Foreground="DarkOrange">β οΈ It does not create an independent block copy. Use a copy/rename block utility when only one reference should be isolated.</Run><LineBreak/> β’ <Run Foreground="DarkOrange">β οΈ The routine is intended for INSERT block references and skips xrefs.</Run><LineBreak/> <Bold>Tags</Bold><LineBreak/> <Run Foreground="Goldenrod">π·οΈ AutoCAD, π·οΈ AutoLISP, π·οΈ Civil 3D, π·οΈ Block Tools, π·οΈ Rename Block, π·οΈ Dynamic Blocks, π·οΈ Block Definition, π·οΈ CAD Cleanup, π·οΈ Drawing Management, π·οΈ AutoCAD Productivity</Run><LineBreak/> </TextBlock> </TextBlock> <!-- Use MediaElement for GIF (static first frame) and Image as fallback --> </StackPanel> </src:RibbonToolTip.ExpandedContent> </src:RibbonToolTip> </ResourceDictionary>
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