protected override void OnClick()
        {
            // to check the state of the extension, get the extension
            log.Info("Retrieving a reference to the extension object to check state.");
            GoogleMapsEngineToolsExtensionForArcGIS ext = GoogleMapsEngineToolsExtensionForArcGIS.GetExtension();

            // check to see if the extension is enabled
            log.Debug("Verifying extension is enabled.");
            if (ext.isExtensionEnabled())
            {
                // initialize the About form
                log.Info("Initializing dialogs.settings.About and showing it.");
                Extension.Dialogs.Settings.About aboutForm = new Extension.Dialogs.Settings.About();

                // make the about form visible
                aboutForm.Show();
            }
        }
        protected override void OnClick()
        {
            // to check the state of the extension, get the extension
            log.Info("Retrieving a reference to the extension object to check state.");
            GoogleMapsEngineToolsExtensionForArcGIS ext = GoogleMapsEngineToolsExtensionForArcGIS.GetExtension();

             // check to see if the extension is enabled
            log.Debug("Verifying extension is enabled.");
            if (ext.isExtensionEnabled())
            {
                // initialize the About form
                log.Info("Initializing dialogs.settings.About and showing it.");
                Extension.Dialogs.Settings.About aboutForm = new Extension.Dialogs.Settings.About();

                // make the about form visible
                aboutForm.Show();
            }
        }