Hide Table of Contents

Create Auto Route Example (C#)

This example shows how to connect two points using the Auto Route interface.

// Preconditions:
// 1. Add SolidWorks Routing as an add-in

//   (in SolidWorks select Tools > Add-Ins > SolidWorks Routing).
// 2. Add SolidWorks.Interop.SWRoutingLib.dll as a reference

//   (in the IDE right-click the project, select Add Reference,

//    and browse <SolidWorks_install_dir>\api\redist\CLR2).
// 3. Open:

// <SolidWorks_install_dir>\samples\tutorial\api\top_assy_connectors.sldasm
// 4. In Tools > Options > System Options > Routing > Routing File Locations,

//    add locations of your SolidWorks Routing files.
// 5. Modify the namespace to match the name of your C# project.
// 6. Select the assembly that contains Route1 in the FeatureManager design tree.
//    7. Open an Immediate Window.

// Postconditions: Auto Route connects the pins in orthogonal fashion

// in the electronic housing.
// NOTE: Because the assembly is used in a SolidWorks demo,

// do not save any changes to it.   

using SolidWorks.Interop.sldworks;
using SolidWorks.Interop.swconst;
using SolidWorks.Interop.SWRoutingLib;
using System;
using System.Diagnostics;
namespace CreateAutoRoute_CSharp.csproj
partial class SolidWorksMacro

public void Main()
ModelDoc2 swModel = default(ModelDoc2);
AssemblyDoc swTopLevelAssembly = default(AssemblyDoc);
RouteManager rtRouteManager = default(RouteManager);
AutoRoute autoRoute = default(AutoRoute);
int resultCode = 0;
Boolean boolstatus = false;

            swModel = (
            swTopLevelAssembly = (

// Get the RouteManager from the top-level assembly
            rtRouteManager = (RouteManager)swTopLevelAssembly.GetRouteManager();
if (rtRouteManager == null)
Debug.Print("No RouteManager found in top-level document");

            autoRoute = (
            boolstatus = swModel.Extension.SelectByID2(
"Point3", "SKETCHPOINT", -0.457835, 0.10795, -0.2032, true, 0, null, 0);
            boolstatus = swModel.Extension.SelectByID2(
"Point8", "SKETCHPOINT", -0.218948, 0.0508, -0.470281, true, 0, null, 0);
            resultCode = autoRoute.CreatePointToPointAutoRoute(2);


public SldWorks swApp;


Provide feedback on this topic

SOLIDWORKS welcomes your feedback concerning the presentation, accuracy, and thoroughness of the documentation. Use the form below to send your comments and suggestions about this topic directly to our documentation team. The documentation team cannot answer technical support questions. Click here for information about technical support.

* Required

Subject:   Feedback on Help Topics
Page:   Create Auto Route Example (C#)
*   I acknowledge I have read and I hereby accept the privacy policy under which my Personal Data will be used by Dassault Systèmes

Print Topic

Select the scope of content to print:


We have detected you are using a browser version older than Internet Explorer 7. For optimized display, we suggest upgrading your browser to Internet Explorer 7 or newer.

 Never show this message again

Web Help Content Version: API Help (English only) 2013 SP05

To disable Web help from within SOLIDWORKS and use local help instead, click Help > Use SOLIDWORKS Web Help.

To report problems encountered with the Web help interface and search, contact your local support representative. To provide feedback on individual help topics, use the “Feedback on this topic” link on the individual topic page.