Modify Surface-cut Feature Example (C#)

This example shows how to modify a surface-cut feature.

//-------------------------------------------------------------
// Preconditions: 
// 1. Verify that the part to open exists.
// 2. Open the Immediate window.
//
// Postconditions:
// 1. Flips the direction of the surface-cut feature.
// 2. Examine the Immediate window.
//
// NOTE: Because this part is used elsewhere, do not save changes.
//-------------------------------------------------------------
using SolidWorks.Interop.sldworks;
using SolidWorks.Interop.swconst;
using System.Runtime.InteropServices;
using System;
using System.Diagnostics;
 
namespace SurfCutFeatureCSharp.csproj
{
    partial class SolidWorksMacro
    {
 
 
        public void Main()
        {
            ModelDoc2 swModel = default(ModelDoc2);
            ModelDocExtension swModelDocExt = default(ModelDocExtension);
            SelectionMgr swSelMgr = default(SelectionMgr);
            Feature swFeature = default(Feature);
            SurfCutFeatureData swSurfCutFeature = default(SurfCutFeatureData);
            bool status = false;
            int errors = 0;
            int warnings = 0;
            string fileName = null;
 
 
            fileName = "C:\\Users\\Public\\Documents\\SOLIDWORKS\\SOLIDWORKS 2018\\samples\\tutorial\\api\\SurfCut.sldprt";
            swApp.OpenDoc6(fileName, (int)swDocumentTypes_e.swDocPART, (int)swOpenDocOptions_e.swOpenDocOptions_Silent, "", ref errors, ref warnings);
            swModel = (ModelDoc2)swApp.ActiveDoc;
            swModelDocExt = (ModelDocExtension)swModel.Extension;
 
            // Get the surface-cut feature
            status = swModelDocExt.SelectByID2("SurfaceCut1", "BODYFEATURE", 0, 0, 0, false, 0, null, 0);
            swSelMgr = (SelectionMgr)swModel.SelectionManager;
            swFeature = (Feature)swSelMgr.GetSelectedObject6(1, -1);
            swSurfCutFeature = (SurfCutFeatureData)swFeature.GetDefinition();
            status = swSurfCutFeature.AccessSelections(swModel, null);
 
            // Flip direction of surface cut
            swSurfCutFeature.Flip = true;
            Debug.Print("Surface-cut feature flipped: " + status);
 
            // Update definition of feature
            swFeature.ModifyDefinition(swSurfCutFeature, swModel, null);
 
            // Rebuild part
            swModel.EditRebuild3();
 
        }
 
 
        /// <summary>
        /// The SldWorks swApp variable is pre-assigned for you.
        /// </summary>
 
        public SldWorks swApp;
    }
 
}