Data class contains the external command data.
Example #1
0
        /// <summary>
        /// Implement this method as an external command for Revit.
        /// </summary>
        /// <param name="commandData">An object that is passed to the external application 
        /// which contains data related to the command, 
        /// such as the application object and active view.</param>
        /// <param name="message">A message that can be set by the external application 
        /// which will be displayed if a failure or cancellation is returned by 
        /// the external command.</param>
        /// <param name="elements">A set of elements to which the external application 
        /// can add elements that are to be highlighted in case of failure or cancellation.</param>
        /// <returns>Return the status of the external command. 
        /// A result of Succeeded means that the API external method functioned as expected. 
        /// Cancelled can be used to signify that the user cancelled the external operation 
        /// at some point. Failure should be returned if the application is unable to proceed with 
        /// the operation.</returns>
        public Autodesk.Revit.UI.Result Execute(ExternalCommandData commandData,
        ref string message, Autodesk.Revit.DB.ElementSet elements)
        {
            try
            {
                // Verify active document
                if (null == commandData.Application.ActiveUIDocument.Document)
                {
                    message = "Active view is null.";
                    return Autodesk.Revit.UI.Result.Failed;
                }

                MainData mainData = new MainData(commandData);
                // Show the dialog
                using (MainForm mainForm = new MainForm(mainData))
                {
                    if (mainForm.ShowDialog() == DialogResult.Cancel)
                    {
                        return Autodesk.Revit.UI.Result.Cancelled;
                    }
                }
            }
            catch (Exception ex)
            {
                message = ex.ToString();
                return Autodesk.Revit.UI.Result.Failed;
            }

            return Autodesk.Revit.UI.Result.Succeeded;
        }
 /// <summary>
 /// Constructor
 /// </summary>
 /// <param name="mainData"></param>
 public MainForm(MainData mainData)
 {
     m_mainData = mainData;
     InitializeComponent();
     radioButtonExport.Checked = true;
     comboBoxExport.Enabled = true;
     comboBoxImport.Enabled = false;
     //Append formats to be exported or imported
     InitializeFormats();
 }