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Fire Events When Display State Changes in Part Document (C#)

This example shows how to fire the events related to changing display states of a configuration in a part document.

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

// Preconditions:

// 1. Open a part document that has  

//    a configuration with multiple display states.

// 2. Run this macro in debug mode.

// 3. Change the display state of the active configuration in SolidWorks

//    (click the ConfigurationManager tab and double-click

//    a different display state).

//

// Postcondition: A message box is displayed informing

// you that the display state is about change. After the display state changes,

// another message box is displayed informing you that the display

// state has changed.

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

using SolidWorks.Interop.sldworks;

using SolidWorks.Interop.swconst;

using System;

using System.Collections;

using System.Windows.Forms;

namespace FireEventsWhenDisplayStateChangesCSharp.csproj

{

    public partial class SolidWorksMacro

    {

        public PartDoc swPart;

        public void Main()

        {

            ModelDoc2 swModel;

            Hashtable openPart;

            swModel = (ModelDoc2)swApp.ActiveDoc;

            //Set up events

            swPart = (PartDoc)swModel;

            openPart = new Hashtable();

            AttachEventHandlers();

        }

        /// <summary>

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

        /// </summary>

        public SldWorks swApp;

        public void AttachEventHandlers()

        {

            AttachSWEvents();

        }

        public void AttachSWEvents()

        {

            swPart.ActiveDisplayStateChangePreNotify += this.swPart_ActiveDisplayStateChangePreNotify;

            swPart.ActiveDisplayStateChangePostNotify += this.swPart_ActiveDisplayStateChangePostNotify;

        }

        public int swPart_ActiveDisplayStateChangePreNotify()

        //Send message when user changes display state in the ConfigurationManager

        {

            MessageBox.Show("The active configuration's display state is about to change.");

            return 1;

        }

        public int swPart_ActiveDisplayStateChangePostNotify(string DisplayStateName)

        //Send message after user changes display state in the ConfigurationManager

        {

            MessageBox.Show("The active configuration's display state has changed.");

            return 1;

        }

    }

}



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