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Fire Events When PropertyManager Page Opened and Canceled (C#)

This example shows how to get the SolidWorks command ID, PropertyManager title, and whether the user interface is active. Events are fired before the PropertyManager page is opened and when it is canceled.

// Preconditions:
// 1. Specified model document exists.
// 2. Add a reference to SolidWorks.Interop.swcommands.dll
// 3. Open the Immediate window.
// 4. Clear Tools > Options > Stop VSTA debugger on macro
//    exit
, if it's selected.
// 5. Run the macro.
// Postconditions:
// 1. Specified file opened.
// 2. CommandOpenPreNotify event fired.
// 3. Fillet PropertyManager page opened.
// 4. Title of PropertyManager page, whether the
//    user interface is active, and whether the command ID
//    is a fillet, are printed to the Immediate window.
// 5. Interactively click the X on the Fillet PropertyManager
//    page to cancel it.
// 6. CommandCloseNotify event fired.
// 7. Interactively close the model document.

using SolidWorks.Interop.sldworks;
using SolidWorks.Interop.swconst;
using System;
using System.Diagnostics;
using SolidWorks.Interop.swcommands;
using System.Windows.Forms;

namespace GetRunningCommandInfoSldWorksCSharp.csproj
partial class SolidWorksMacro

public SldWorks swAppSW;

public void Main()

            ModelDoc2 swModel;
            ModelDocExtension swModelDocExt;
string modelName = null;
int errors = 0;
int warnings = 0;
int commandID = 0;
string pmpTitle = null;
bool isUIActive = false;

// Set up event
            swAppSW = (SldWorks)swApp;

// Open the model
            modelName = "C:\\Program Files\\SolidWorks Corp\\SolidWorks\\samples\\tutorial\\fillets\\knob.sldprt";
            swModel = (ModelDoc2)swApp.OpenDoc6(modelName, (
int)swDocumentTypes_e.swDocPART, (int)swOpenDocOptions_e.swOpenDocOptions_Silent, "", ref errors, ref warnings);
            swModelDocExt = (ModelDocExtension)swModel.Extension;

// Open the Fillet PropertyManager Page,
            // which causes the CommandOpenPreNotify event
            // to fire
            swModelDocExt.RunCommand((int)swCommands_e.swCommands_Fillet, "Fillet");

// Get the command ID if the command is a fillet,
            // get the PropertyManager page title if one is active,
            // and get whether the user interface is active
            swApp.GetRunningCommandInfo(out commandID, out pmpTitle, out isUIActive);

if (!string.IsNullOrEmpty(pmpTitle)) Debug.Print("Title of PropertyManager page: " + pmpTitle);
Debug.Print("Is user interface active? " + isUIActive);
if ((commandID == 9))
Debug.Print("Command ID: " + "swCommands_Fillet");
Debug.Print("Command ID: " + "Not a fillet.");


public void AttachEventHandlers()

public void AttachSWEvents()
            swAppSW.CommandOpenPreNotify +=
            swAppSW.CommandCloseNotify +=

private int swAppSW_CommandOpenPreNotify(int command, int userCommand)
//Send message when the Fillet PropertyManager page is about to open
            if ((command == (int)swCommands_e.swCommands_Fillet)) MessageBox.Show("Fillet PropertyManager page is about to open.");
return 0;
private int swAppSW_CommandCloseNotify(int command, int reason)
//Send message when the Fillet PropertyManager page is canceled
            MessageBox.Show("Fillet PropertyManager page was canceled.");
return 0;

/// <summary>
        /// The SldWorks swApp variable is pre-assigned for you.
        /// </summary>
SldWorks swApp;


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