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Fire Undo and Redo Pre- and Post-notifications in Part Document (C#)

This example shows how to fire Undo and Redo pre- and post-notifications in a part document.

// --------------------------------------------------------------------------
// Preconditions: Open public_documents\tutorial\api\cstick.sldprt.
//
// Postconditions:
// 1. Creates a circle, undoes it, redoes it, and undoes it again.
// 2. Fires a pre- and post-notification and displays a message box
//    before and after each Undo and Redo.
// 3. Click OK to close each message box.
//
// 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 RedoPostNotifyPartCSharp.csproj

{

    partial class SolidWorksMacro

    {

        public PartDoc swPart;

        public void Main()

        {

            ModelDoc2 swModel;

            ModelDocExtension swModelDocExt;

            SketchManager swSketchManager;

            SketchSegment swSketchSegment;

            bool boolstatus = false;

            Hashtable openPart;

 

            swModel = (ModelDoc2)swApp.ActiveDoc;

 

            // Set up event notification

            swPart = (PartDoc)swModel;

            openPart = new Hashtable();

            AttachEventHandlers();

 

            // Create a circle 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);

 

            // Undo creation of circle

            // and fire an Undo pre- and post-

            // notification

            swModel.EditUndo2(1);

 

            // Redo creation of circle

            // and fire a Redo pre- and post-

            // notification

            swModel.EditRedo2(1);

 

            // Undo creation of circle again

            // to leave model document unchanged

            // and fire another Undo pre- and post-

            // notification

            swModel.EditUndo2(1);

 

            swModel.ClearSelection2(true);

            swModel.ForceRebuild3(true);

        }

        public void AttachEventHandlers()

        {

            AttachSWEvents();

        }

        public void AttachSWEvents()

        {

            swPart.UndoPostNotify += this.swPart_UndoPostNotify;

            swPart.UndoPreNotify += this.swPart_UndoPreNotify;

            swPart.RedoPostNotify += this.swPart_RedoPostNotify;

            swPart.RedoPreNotify += this.swPart_RedoPreNotify;

        }

        public int swPart_UndoPostNotify()

        {

            // Show message after an Undo  

            // Display message after Undo

            // NOTE: Because the message box may be displayed

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

            // If so, then check the Taskbar for it.

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

            return 1;

        }

        public int swPart_UndoPreNotify()

        {

            // Show message after an Undo  

            // Display message after Undo

            // NOTE: Because the message box may be displayed

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

            // If so, then check the Taskbar for it.   

            MessageBox.Show("An Undo pre-notification event has been fired.");

            return 1;

        }

        public int swPart_RedoPostNotify()

        {

            // Show message after an Undo  

            // Display message after Undo

            // NOTE: Because the message box may be displayed

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

            // If so, then check the Taskbar for it.  

            MessageBox.Show("A Redo post-notification event has been fired.");

            return 1;

        }

        public int swPart_RedoPreNotify()

        {

            // Show message after an Undo  

            // Display message after Undo

            // NOTE: Because the message box may be displayed

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

            // If so, then check the Taskbar for it.  

            MessageBox.Show("A Redo pre-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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