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Get Areas of MidSurface Faces (C#)

This example shows how to get the areas of mid-surface faces.

//--------------------------------------------------------------------------

// Preconditions: Part document open, and

//                part contains a mid-surface feature,

//                which is selected.

//

// Postconditions: None.

//--------------------------------------------------------------------------

using SolidWorks.Interop.sldworks;

using SolidWorks.Interop.swconst;

using System;

using System.Diagnostics;

using System.Runtime.InteropServices;

namespace FaceArea.csproj

{

    public partial class SolidWorksMacro

    {

        ModelDoc2 swModel;

        SelectionMgr swSelMgr;

        MidSurface3 swMidSurf;

        Feature swFeat;

        Face2 myFace;

        object[] faces;

        int count;

        int index;

        double area;

        

        public void Main()

        {

            swModel = swApp.ActiveDoc as ModelDoc2;

            swSelMgr = swModel.SelectionManager as SelectionMgr;

            swFeat = (Feature)swSelMgr.GetSelectedObject6(1, -1);

            swMidSurf = (MidSurface3)swFeat.GetSpecificFeature2();

 

            count = swMidSurf.GetFaceCount();

            Debug.Print ("Number of faces for midsurface feature: " + count);

 

            faces = (object[])swMidSurf.GetFaces();

 

            for (index = 0; index < count; index++)

            {

                myFace = faces[index] as Face2;

                area = myFace.GetArea();

                Debug.Print ("Area of face of midsurface feature: " + area);

            }

        }

        /// <summary>

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

        /// </summary>

        public SldWorks swApp;

    }

}



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