Function Syntax: LINFILEDRAW_ / LINPL_ / LINPOLY_ / LFD_PICKPOINT_ Version: 1.0 Date: 21.07.2026 8:55:01AM N/A Function Syntax: LinFileDraw Version: 4.0.0 / LINPL 004 Version: 1.1 Date: 21.07.2026 4:51:52PM 🚀 Main Commands Run LINPL in the AutoCAD command line to open the LIN file linetype sample drawing dialog. The uploaded code also defines the alias LINPOLY for the same linetype drawing workflow. 📘 SEO Optimized Description LinFileDraw is an AutoCAD and Civil 3D AutoLISP utility for reading linetype definitions from an external *.LIN file and drawing clear linetype sample rows in model space. The tool creates one horizontal LWPOLYLINE sample per selected linetype and adds optional MTEXT labels for linetype names, layer names, or both values. The main benefit is faster linetype validation, cleaner CAD standard documentation, easier LIN file testing, and quicker creation of AutoCAD linetype legend drawings. 🧰 Dialog Workflow 📂 Select or browse to a *.LIN linetype definition file. 🔄 Refresh the LIN file to reload the detected linetype definitions. 🎯 Type a start point or use Pick Start Point from Drawing to define the first sample location. 📐 Configure sample Length, Row Step, LTScale, label gap, and text height. ✅ Use the linetype selection dialog to choose all, none, invert, or manually select the linetypes to draw. Functionalities 🚀 Embedded DCL interface - creates a temporary uniquely named DCL file for every run. 📂 LIN file browser - selects and refreshes external AutoCAD linetype definition files. 🔍 Automatic linetype parsing - reads linetype names directly from lines beginning with * inside the selected LIN file. ✅ Multi-select linetype list - supports Select All, Select None, and Invert selection. 📐 Sample polyline creation - draws one scaled horizontal LWPOLYLINE sample for every selected linetype. 🏷️ Flexible MText labels - labels can show linetype name, layer name, or both linetype and layer name. 🧱 Layer output modes - creates or uses a layer named after each linetype, draws on the current layer, or draws on a selected existing layer. 🧭 Current UCS support - respects UCS for the start point, sample geometry, row layout, object normal, and MText direction. 🔄 Apply and Undo workflow - Apply draws and reopens the dialog, while Undo removes the last generated batch. 💾 Persistent settings - saves LIN file path, drawing values, selected linetypes, layer settings, and dialog positions to a CFG file. 🛡️ Safe linetype loading - temporarily adds the LIN folder to the AutoCAD support path and reports skipped linetypes instead of stopping the full batch. 🧩 Important Helper Functions • linpl:write-dcl creates the embedded DCL dialogs. • linpl:read-linetypes extracts linetype names from the selected LIN file. • linpl:draw-batch loads selected linetypes and generates the sample rows. • linpl:undo-last-batch erases the last generated LINPL object batch. ✅ Practical Result The final result is a clean AutoCAD linetype sample legend generated from a selected LIN file, with readable labels and organized layer output. This helps CAD managers, Civil 3D template maintainers, and drafting teams validate custom linetypes and document drawing standards faster. ⚠️ Important Notes This routine creates drawing geometry. Use the dialog Undo button or AutoCAD undo if the generated sample batch must be removed. Linetypes with missing SHX shape or font dependencies can be skipped and reported by the routine. The primary command in the uploaded code is LINPL. Verify the LINPOLY alias in AutoCAD if it is used directly. Function Syntax: LINPL / LINPOLY Version: 1.0 Date: 21.07.2026 8:55:01AM N/A 🚀 LinFileDraw LinFileDraw is an AutoCAD and Civil 3D .NET WinForms utility for reading *.LIN linetype files, previewing linetype patterns, and drawing clean sample rows in the active drawing. It improves linetype library documentation, CAD standards checking, Civil 3D template review, and production drawing setup by turning LIN definitions into visible polyline samples. Main Commands 🧰 Run LINFILEDRAW_008 to open the main LinFileDraw dialog. ⚡ Run LINPL_008 or LINPOLY_008 as aliases for the same workflow. 📌 LFD_PICKPOINT_008 is a hidden helper command used internally for safe point picking from a modeless dialog. SEO Optimized Description 📘 This AutoCAD Civil 3D plugin loads external linetype definition files, scans all available linetype names, and lets users select which definitions should be drawn as a visual sample sheet. 🔍 The linetype selector includes real previews for dash, gap, dot, text, and common shape-based LIN patterns, including definitions split across multiple physical lines. 📐 Build 008 draws actual AutoCAD LWPolyline sample rows instead of simple line entities, with UCS-aware point handling and valid OCS conversion. 🧠 LinFileDraw is useful for CAD managers, Civil 3D users, drafting technicians, template administrators, infrastructure teams, and anyone who needs to verify or document project linetype libraries quickly. Functionalities 🚀 Modeless tool window - opens a screen-adaptive WinForms interface without blocking normal AutoCAD and Civil 3D work. 📂 LIN file browsing - lets users browse, load, refresh, and validate external *.LIN linetype files. 🔍 Linetype scanning - reads linetype names, removes duplicates, and reports how many definitions are available. 👁️ Pattern preview rows - displays a preview beside every linetype in the selection dialog so users can inspect patterns before drawing. 🧩 Complex LIN parsing - handles dash, gap, dot, embedded text, common shape markers, and multi-line linetype definitions. 🎚️ Preview scale control - mimics linetype scale behavior for clearer inspection of dense or large patterns. 📐 Polyline sample drawing - creates generated linetype samples as real LWPolyline entities. 🧭 UCS-aware placement - supports typed start coordinates and drawing point selection while respecting the current UCS orientation. 📏 Drawing parameter control - controls sample length, row step, linetype scale, MText gap, text height, and two-label spacing. 🏷️ MText label modes - labels each row by linetype name, layer name, or linetype plus layer name. 📂 Layer output modes - draws on one layer per linetype, on the current layer, or on a selected existing output layer. 🔒 Safe point picking - routes modeless drawing input through SendStringToExecute and a hidden helper command to avoid AutoCAD freezing. ↩️ Undo generated batch - erases the last tool-generated entity batch from the current session. 💾 Persistent settings - stores user preferences in JSON files under %APPDATA%\LinFileDraw. 📝 Diagnostic logging - records load, draw, skipped linetype, and undo information in timestamped logs. Project Modules 🧱 Commands.cs registers the extension application, command aliases, build banner, and hidden point-pick helper. 🖥️ MainForm.cs manages the main WinForms interface, file loading, draw settings, layer mode, selection workflow, and action buttons. 🎛️ TypeSelectionForm.cs provides linetype selection, per-row preview panels, preview scale, select all, select none, and invert selection. 🧩 LinFileReader.cs parses LIN names and pattern definitions, including multi-line complex patterns. 📐 LinetypeSampleDrawer.cs creates polylines, loads linetypes, resolves layers, creates labels, and handles undo batches. 🎨 PatternRenderer.cs draws linetype thumbnails for dash, gap, dot, text, and common shape descriptors. Practical Result ✅ The final result is a clean linetype sample drawing generated from a selected LIN file, with organized polyline rows, optional text labels, controlled layers, saved settings, logging, and session undo. This makes LinFileDraw useful for AutoCAD linetype documentation, Civil 3D standards libraries, project setup checks, drafting QA, and CAD manager review workflows. Important Note This is a compiled AutoCAD and Civil 3D .NET plugin. It requires NETLOAD, valid AutoCAD references, .NET Framework 4.8, and an x64 AutoCAD host. The command names are versioned with the 008 suffix. Undo applies only to entities generated by the current LinFileDraw session.