/// <summary>
/// Form closed event handler
/// </summary>
/// <param name="e"></param>
protected override void OnFormClosed(FormClosedEventArgs e)
{
// we own both the event and the handler
// we should dispose it before we are closed
m_ExEvent.Dispose();
m_ExEvent = null;
m_Handler = null;
// do not forget to call the base class
base.OnFormClosed(e);
}
/// <summary>
/// This method creates and shows a modeless dialog, unless it already exists.
/// </summary>
/// <remarks>
/// The external command invokes this on the end-user's request
/// </remarks>
///
public void ShowForm_RotatingForm(UIApplication uiapp)
{
// If we don't have dialog yet, create and show it
if (m_rotatingForm == null || m_rotatingForm.IsDisposed)
{
// A new handler handle request posting by the dialog
RotateMultiExternalEvent handler = new RotateMultiExternalEvent();
// External event for the dialog to use (to post request)
ExternalEvent exEvent = ExternalEvent.Create(handler);
// We give the objects to the new dialog;
// The dialog becomes the owner responsible fore disposing them, eventually.
m_rotatingForm = new Rotating_Form(exEvent, handler);
m_rotatingForm.Show();
}
}
/// <summary>
/// The top method of the event handler.
/// </summary>
/// <remarks>
/// This is called by Revit after the corresponding
/// external event was raised (by the modeless form)
/// and Revit reached the time at which it could call
/// the event's handler (i.e. this object)
/// </remarks>
///
public void Execute(UIApplication app)
{
UIDocument uidoc = app.ActiveUIDocument;
Document doc = uidoc.Document;
RotateMultiExternalEvent rotateMultiExternalEvent = new RotateMultiExternalEvent();
ExternalEvent exEvent = ExternalEvent.Create(rotateMultiExternalEvent);
Rotating_Form rotating_Form = new Rotating_Form(exEvent, rotateMultiExternalEvent);
try
{
using (Transaction t = new Transaction(doc))
{
try
{
//Provide access to make change in document
t.Start("Rotate Elements");
// Collect selected elements
ICollection <ElementId> selectedElements = uidoc.Selection.GetElementIds();
RotateMethod(doc, selectedElements, App.angleX, App.angleY, App.angleZ);
t.Commit();
App.thisApp.WakeFormUp_RotatingForm();
}
catch (Exception e)
{
TaskDialog.Show("ERROR", e.Message + "\n" + e.Source);
}
}
}
finally
{
App.thisApp.WakeFormUp_RotatingForm();
}
return;
}
/// <summary>
/// Rotating form constructor
/// </summary>
/// <param name="exEvent">External event which implemented when raise calling</param>
/// <param name="handler">Revit API Externl Event Handler</param>
public Rotating_Form(ExternalEvent exEvent, RotateMultiExternalEvent handler)
{
InitializeComponent();
m_Handler = handler;
m_ExEvent = exEvent;
}
