/// <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();
}