Hide Table of Contents

Get Transform for Each Circular Pattern Instance (C#)

This example shows how to get the transform for each instance in a circular pattern feature.


// Preconditions: Specified file to open exists.


// Postconditions: None


using SolidWorks.Interop.sldworks;

using SolidWorks.Interop.swconst;

using System;

using System.Diagnostics;


namespace GetTransformCircularPatternFeatureDataCSharp.csproj


    partial class SolidWorksMacro


        public void Main()


            ModelDoc2 swModel = default(ModelDoc2);

            ModelDocExtension swModelDocExtension = default(ModelDocExtension);

            SelectionMgr swSelectionMgr = default(SelectionMgr);

            Feature swFeature = default(Feature);

            CircularPatternFeatureData swCircularPatternFeatureData = default(CircularPatternFeatureData);

            MathTransform swMathTransform = default(MathTransform);

            bool boolstatus = false;

            int nErrors = 0;

            int nWarnings = 0;

            int NbrInstances = 0;

            int i = 0;


            swModel = (ModelDoc2)swApp.OpenDoc6("c:\\Program Files\\SOLIDWORKS Corp\\SOLIDWORKS\\samples\\tutorial\\introtosw\\pressure_plate.sldprt", (int)swDocumentTypes_e.swDocPART, (int)swOpenDocOptions_e.swOpenDocOptions_Silent, "", ref nErrors, ref nWarnings);

            swModelDocExtension = (ModelDocExtension)swModel.Extension;


            // Select the circular-pattern feature

            boolstatus = swModelDocExtension.SelectByID2("CirPattern1", "BODYFEATURE", 0, 0, 0, false, 0, null, 0);

            swSelectionMgr = (SelectionMgr)swModel.SelectionManager;

            swFeature = (Feature)swSelectionMgr.GetSelectedObject6(1, -1);

            swCircularPatternFeatureData = (CircularPatternFeatureData)swFeature.GetDefinition();


            // Get the number of instances in the circular-pattern feature

            NbrInstances = swCircularPatternFeatureData.TotalInstances;

            Debug.Print("Number of instances: " + NbrInstances);


            // Get the transform for each instance

            // in the circular-pattern feature

            for (i = 0; i < NbrInstances; i++)


                Debug.Print(" Processing instance... " + (i + 1));

                swMathTransform = (MathTransform)swCircularPatternFeatureData.GetTransform(i);

                // TODO: Include code to do something with the transform




        /// <summary>

        /// The SldWorks swApp variable is pre-assigned for you.

        /// </summary>

        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:   Get Transform for Each Circular Pattern Instance 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) 2015 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.