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Insert and Modify Datum Target Symbol Example (C#)

This example shows how to insert and modify a datum target symbol.

// Preconditions:
// 1. Verify that the specified part document exists.
// 2. Open the Immediate window.
// Postconditions:
// 1. Opens the specified part document.
// 2. Inserts a datum target symbol on the selected
//    face.
// 3. Gets and modifies the datum target symbol's reference label.
// 4. Examine the Immediate window and graphics area.
// NOTE: Because the part document is used elsewhere,
// do not save any changes.
using SolidWorks.Interop.sldworks;
using SolidWorks.Interop.swconst;
using System.Runtime.InteropServices;
using System;
using System.Diagnostics;
namespace DatumTargetSymCSharp.csproj
    public partial class SolidWorksMacro
        public void Main()
            ModelDoc2 swModel = default(ModelDoc2);
            ModelDocExtension swModelDocExt = default(ModelDocExtension);
            DatumTargetSym swDatumTargetSym = default(DatumTargetSym);
            string fileName = null;
            bool status = false;
            int errors = 0;
            int warnings = 0;
            //Open part document
            fileName = "C:\\Users\\Public\\Documents\\SOLIDWORKS\\SOLIDWORKS 2018\\samples\\tutorial\\api\\holecube.sldprt";
            swModel = (ModelDoc2)swApp.OpenDoc6(fileName, (int)swDocumentTypes_e.swDocPART, (int)swOpenDocOptions_e.swOpenDocOptions_Silent, ""ref errors, ref warnings);
            //Select face for datum target symbol
            swModelDocExt = (ModelDocExtension)swModel.Extension;
            status = swModelDocExt.SelectByID2("""FACE", -0.00723565448987529, -0.0259480787517532, 0, false, 0, null, 0);
            //Insert datum target symbol
            swDatumTargetSym = (DatumTargetSym)swModelDocExt.InsertDatumTargetSymbol3("a""""", 0, false, 0.003, 0.03, "3"""true,
            12, 0, truefalsetrue, (int)swMoveableDatumStyle_e.swMoveableDatumStyle_Horizontal);
            //Get and set datum reference label
            Debug.Print("Current reference label: " + swDatumTargetSym.GetDatumReferenceLabel(0));
            status = swDatumTargetSym.SetDatumReferenceLabel(0, "b");
            Debug.Print("Modified reference label: " + swDatumTargetSym.GetDatumReferenceLabel(0));
        /// <summary>
        ///  The SldWorks swApp variable is pre-assigned for you.
        /// </summary>
        public SldWorks swApp;

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