private void UnregisterViewportUpdaterOnClose(object source, DocumentClosingEventArgs args)
{
//idsToWatch.Clear();
//m_oldSectionId = ElementId.InvalidElementId;
if (m_viewportUpdater != null)
{
UpdaterRegistry.UnregisterUpdater(m_viewportUpdater.GetUpdaterId());
m_viewportUpdater = null;
}
}
public Result Execute(UIApplication uiapp)
{
try
{
m_documentUI = uiapp.ActiveUIDocument;
m_document = m_documentUI.Document;
m_thisAppId = uiapp.Application.ActiveAddInId;
// creating and registering the updater for the document.
if (m_viewportUpdater == null)
{
using (Transaction t = new Transaction(m_document, "Register Drawing Cell Updater"))
{
t.Start();
m_viewportUpdater = new ViewportUpdater(m_thisAppId);
m_viewportUpdater.Register(m_document);
t.Commit();
}
}
//Find all viewports to watch if they move
ElementCategoryFilter filter = new ElementCategoryFilter(BuiltInCategory.OST_Viewports);
UpdaterRegistry.RemoveAllTriggers(m_viewportUpdater.GetUpdaterId());
m_viewportUpdater.AddTriggerForUpdater(m_document, filter);
m_document.DocumentClosing += UnregisterViewportUpdaterOnClose;
return(Result.Succeeded);
}
catch
{
return(Result.Failed);
}
}