public void Activate(Inventor.ApplicationAddInSite addInSiteObject, bool firstTime)
{
log.Debug("Activating ThreadModeler Addin");
// This method is called by Inventor when it loads the addin.
// The AddInSiteObject provides access to the Inventor Application object.
// The FirstTime flag indicates if the addin is loaded for the first time.
// Initialize AddIn members.
m_inventorApplication = addInSiteObject.Application;
Type addinType = this.GetType();
AdnInventorUtilities.Initialize(m_inventorApplication, addinType);
Toolkit.Initialize(m_inventorApplication);
ThreadWorker.Initialize(m_inventorApplication);
AdnCommand.AddCommand(new ThreadModelerCmd(m_inventorApplication));
AdnCommand.AddCommand(new AboutCtrlCmd(m_inventorApplication));
AdnCommand.AddCommand(new HelpCtrlCmd(m_inventorApplication));
// Only after all commands have been added,
// load Ribbon UI from customized xml file.
// Make sure "InternalName" of above commands is matching
// "internalName" tag described in xml of corresponding command.
AdnRibbonBuilder.CreateRibbon(
m_inventorApplication,
addinType,
"ThreadModeler.resources.ribbons.xml");
}