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Undo Feature and Fire Undo Post-Notify Event Example (C#)

This example shows how to fire an undo post-notification in a part.

//-----------------------------------------------------------------------
// Preconditions: Open public_documents\samples\tutorial\api\cstick.sldprt.
//
// Postconditions:
// 1. Creates a cut-extrude feature on the top face of the
//    candlestick.
// 2. Undoes the cut-extrude feature and fires an undo post-notification.
// 3. Click OK to close the message box.
// 4. Deletes the cut-extrude sketch and all absorbed features.
//
// NOTE: Because the part is used elsewhere, do not save changes.
//-----------------------------------------------------------------------

using SolidWorks.Interop.sldworks;

using SolidWorks.Interop.swconst;

using System;

using System.Collections;

using System.Windows.Forms;

namespace UndoPostNotifyCSharp.csproj

{

    partial class SolidWorksMacro

    {

        public PartDoc swPart;

        public void Main()

        {

            ModelDoc2 swModel;

            ModelDocExtension swModelDocExt;

            SketchManager swSketchManager;

            SketchSegment swSketchSegment;

            FeatureManager swFeatureManager;

            Feature swFeature;

            bool boolstatus = false;

 

            Hashtable openPart;

 

            swModel = (ModelDoc2)swApp.ActiveDoc;

 

            // Set up event notification

            swPart = (PartDoc)swModel;

            openPart = new Hashtable();

            AttachEventHandlers();

 

            // Create a cut-extrude feature on the

            // top face of the candlestick

            swModelDocExt = swModel.Extension;

            boolstatus = swModelDocExt.SelectByID2("", "FACE", 0.00140404215739, 0.2199999999999, 0.001897848026772, false, 0, null, 0);

            swSketchManager = swModel.SketchManager;

            swSketchSegment = swSketchManager.CreateCircle(0.0, 0.0, 0.0, 0.01296, -0.006347, 0.0);

            swModel.ClearSelection2(true);

            boolstatus = swModelDocExt.SelectByID2("Arc1", "SKETCHSEGMENT", 0, 0, 0, false, 0, null, 0);

            swFeatureManager = swModel.FeatureManager;

            swFeature = swFeatureManager.FeatureCut(true, false, false, 0, 0, 0.01, 0.01, false, false, false,

            false, 0.01745329251994, 0.01745329251994, false, false, false, false, false, true, true

            );

            swModel.ClearSelection2(true);

 

            // Undo the cut-extrude feature

            swModel.EditUndo2(1);

 

            // Fire undo notification

 

            // Select the circle and delete it

            boolstatus = swModelDocExt.SelectByID2("Arc1", "SKETCHSEGMENT", 0, 0, 0, false, 0, null, 0);

            boolstatus = swModelDocExt.DeleteSelection2((int)swDeleteSelectionOptions_e.swDelete_Absorbed);

 

            swModel.ForceRebuild3(true);

        }

 

        public void AttachEventHandlers()

        {

            AttachSWEvents();

        }

 

        public void AttachSWEvents()

        {

            swPart.UndoPostNotify += this.swPart_UndoPostNotify;

        }

 

        public int swPart_UndoPostNotify()

        {

            //Show message after undo action occurs

           // NOTE: Because the message box might be displayed

           // behind an opened window, you might not see it.

           // If so, then check the Taskbar.

            MessageBox.Show("An undo post-notification event has been fired.");

            return 1;

        }

 

        /// <summary>

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

        /// </summary>

        public SldWorks swApp;

    }

}



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