Hide Table of Contents

Get Selection Specification Example (C#)

This example shows how to get the selection specification of a selected object.

// Preconditions:
// 1. Open a model document that contains at least two features.
// 2. Select two features in the FeatureManager design tree.
// 3. Open an Immediate window.

// Postconditions:
// 1. Gets the selection specifications of the first and second selections.
// 2. Inspect the Immediate window.
// ---------------------------------------------------------------------------
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 GetSelectionSpecification_CSharp.csproj
    partial class SolidWorksMacro
        ModelDoc2 Part;
        SelectionMgr SelMgr;
        Feature selObject;
        string selectByString;
        string objectTypeStr;
        int objectTypeInt;
        double X;
        double Y;
        double Z;
        public void Main()
            Part = (ModelDoc2)swApp.ActiveDoc;
            SelMgr = (SelectionMgr)Part.SelectionManager;
            // Get the selection specification of the first selected object
            selObject = (Feature)SelMgr.GetSelectedObject6(1, -1);
            SelMgr.GetSelectByIdSpecification(selObject, out selectByString, out objectTypeStr, out objectTypeInt);
            Debug.Print("Name of selected feature: " + selectByString);
            Debug.Print("Type of object: " + objectTypeStr);
            Debug.Print("Type of object as defined in swSelectType_e: " + objectTypeInt);
            // Get the selection specification of the selected object in position 2 of the selection list
            SelMgr.GetSelectionSpecification(2, out selectByString, out objectTypeStr, out objectTypeInt, out X, out Y, out Z);
            Debug.Print("Name of selected feature: " + selectByString);
            Debug.Print("Type of object: " + objectTypeStr);
            Debug.Print("Type of object as defined in swSelectType_e: " + objectTypeInt);
            Debug.Print("X Coordinate: " + X);
            Debug.Print("Y Coordinate: " + Y);
            Debug.Print("Z Coordinate: " + Z);
        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 Selection Specification 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.