using System.Windows.Forms;
using Autodesk.Navisworks.Api;
using Autodesk.Navisworks.Api.Plugins;

namespace EventWatcher
{
   [Plugin("EventWatcher", "ADSK",
      DisplayName = "Event Watcher")]
   public class EventWatcher : EventWatcherPlugin
   {
      public override void OnLoaded()
      {
         //The plugin will be loaded as soon as is possible in the GUI
         Autodesk.Navisworks.Api.Application.GuiCreated += Application_GuiCreated;
         Autodesk.Navisworks.Api.Application.GuiDestroying += Application_GuiDestroying;
      }

      public override void OnUnloading()
      {
         //The plugin is unloaded at the end of the Navisworks session
         Autodesk.Navisworks.Api.Application.GuiCreated -= Application_GuiCreated;
         Autodesk.Navisworks.Api.Application.GuiDestroying -= Application_GuiDestroying;
      }

      /// <summary>
      /// simple event handler for Application.GuiCreated
      /// </summary>
      /// <param name="sender"></param>
      /// <param name="e"></param>
      void Application_GuiCreated(object sender, System.EventArgs e)
      {
         MessageBox.Show("The Gui has been created");
      }

      /// <summary>
      /// simple event handler for Application.GuiDestroying
      /// </summary>
      /// <param name="sender"></param>
      /// <param name="e"></param>
      void Application_GuiDestroying(object sender, System.EventArgs e)
      {
         MessageBox.Show("The Gui is being destroyed");
      }
   }
}