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Select Silhouette Edge Attached to Note Example (C#)

This example shows how to select a silhouette edge attached to a note in a drawing.

// Preconditions:
// 1. Open the Immediate window.
// 2. Run the macro.
// Postconditions:
// 1. Opens the specified drawing document.
// 2. Activates Drawing View1.
// 3. Gets the note in Drawing View1
//    and the silhouette edge to which
//    the note is attached.
// 4. Prints a message to Immediate window
//    indicating that the silhouette edge
//    to which the note is attached is selected.
// 5. Examine the Immediate window to verify.
// 6. Close the Drawing View1 PropertyManager page
//    and close the drawing document.
using SolidWorks.Interop.sldworks;
using SolidWorks.Interop.swconst;
using System.Runtime.InteropServices;
using System;
using System.Diagnostics;
namespace Select2SilhouetteEdgeCSharp.csproj
    partial class SolidWorksMacro
        ModelDoc2 swModel;
        DrawingDoc swDrawing;
        View swView;
        SilhouetteEdge swSilhouetteEdge;
        Note swNote;
        Annotation swAnnotation;
        bool status;
        int errors;
        int warnings;
        string fileName;
        object[] attachedEntities;
        public void Main()
            fileName = "C:\\Program Files\\SOLIDWORKS Corp\\SOLIDWORKS\\samples\\tutorial\\api\\cylinder20.SLDDRW";
            swModel = (ModelDoc2)swApp.OpenDoc6(fileName, (int)swDocumentTypes_e.swDocDRAWING, (int)swOpenDocOptions_e.swOpenDocOptions_Silent, ""ref errors, ref warnings);
            swDrawing = (DrawingDoc)swModel;
            status = swDrawing.ActivateView("Drawing View1");
            swView = (View)swDrawing.ActiveDrawingView;
            // Get note and any attached entities
            swNote = (Note)swView.GetFirstNote();
            swAnnotation = (Annotation)swNote.GetAnnotation();
            attachedEntities = (object[])swAnnotation.GetAttachedEntities3();
            // Select the silhouette edge to which the note is attached
            foreach (object attachedEntity in attachedEntities)
                swSilhouetteEdge = (SilhouetteEdge)attachedEntity;
                status = swSilhouetteEdge.Select2(falsenull);
                if (status)
                    Debug.Print("Silhouette edge selected.");
        /// <summary>
        /// The SldWorks swApp variable is pre-assigned for you.
        /// </summary>
        public SldWorks swApp;

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