Called once just before the plugin is unloaded. If the plugin implements IDisposable, then Dispose will be called immediately after the plugin is unloaded. Plugins are typically unloaded at application shutdown or when the end user has disabled a plugin. Default implementation does nothing. This is a good place to unsubscribe from API events.

Namespace: Autodesk.Navisworks.Api.Plugins
Assembly: Autodesk.Navisworks.Api (in Autodesk.Navisworks.Api.dll)

Syntax

Visual Basic
Public MustOverride Sub OnUnloading

C#
public abstract void OnUnloading()

Visual C++
public: virtual void OnUnloading() abstract override

Examples

CopyBuilding an EventWatcherPlugin

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");
      }
   }
}

Syntax

Examples

See Also