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Extend Sketch Entity Example (C#)

This example shows how to extend a selected sketch entity (e.g., line, segment, or arc) to meet another sketch entity.

// Preconditions: Open a new part document.
// Postconditions:
// 1. Inserts a new sketch is inserted.
// 2. Creates two non-parallel lines.
// 3. Extends the first line to meet the second line.
// 4. Examine the graphics area.
using Microsoft.VisualBasic;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Diagnostics;
using SolidWorks.Interop.sldworks;
using SolidWorks.Interop.swconst;
using System.Runtime.InteropServices;
namespace ExtendEntity_CSharp.csproj
partial class SolidWorksMacro

ModelDoc2 swModel;
ModelDocExtension swModelDocExt;
SketchManager swSketchMgr;

bool boolstatus;

public void Main()
            swModel = (
            swModelDocExt = swModel.Extension;
            swSketchMgr = swModel.SketchManager;


// Create two non-parallel lines
            swSketchMgr.CreateLine(-0.5, 0.88, 0.0, -0.21, -0.13, 0.0);
            swSketchMgr.CreateLine(-0.75, -1.128, 0.0, 0.41, -1.128, 0.0);


// Set the selection mode to default

// Select the sketch line to extend
            boolstatus = swModelDocExt.SelectByID2("Line1", "SKETCHSEGMENT", 0.0, 0.0, 0.0, false, 0, null, 0);

// Extend the selected sketch line to meet the second line
            boolstatus = swSketchMgr.SketchExtend(0.0, 0.0, 0.0);



public SldWorks swApp;


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