Windows 8 系列 ApplicationSettings 随笔

//向设置面板加入事件
SettingsPane.GetForCurrentView().CommandsRequested += MainPage_CommandsRequested;

 // 点击时触发，添加一项
        void MainPage_CommandsRequested(SettingsPane sender, SettingsPaneCommandsRequestedEventArgs args)
        {
            //定义执行处理事件
            UICommandInvokedHandler handle = new UICommandInvokedHandler(onSettingsCommand);
            //定义设置命令项
            SettingsCommand generalCommand = new SettingsCommand("generalSettings", "general", handle);
            //将命令项添加到设置集合
            args.Request.ApplicationCommands.Add(generalCommand);
         }

 //执行命令项事件
        void onSettingsCommand(IUICommand command)
        {
            SettingsCommand settingsCommand = (SettingsCommand)command;
            showBlock.Text = settingsCommand.Label;
        }

//定义popup窗体 
private Popup settingsPopup;
 void onSettingsCommand1(IUICommand command)
        {
            settingsPopup = new Popup();
　　　　　　　//popup关闭时
            settingsPopup.Closed += settingsPopup_Closed;
            Window.Current.Activated += Current_Activated;
            settingsPopup.IsLightDismissEnabled = true;
            settingsPopup.Width = settingsWidth;
            settingsPopup.Height = windowBounds.Height;
            settingsPopup.ChildTransitions = new TransitionCollection();
            settingsPopup.ChildTransitions.Add(new PaneThemeTransition()
            {
                Edge = (SettingsPane.Edge == SettingsEdgeLocation.Right) ?
                       EdgeTransitionLocation.Right :
                       EdgeTransitionLocation.Left
            });

           //将用户xmal 添加到Popup中
            SettingsFlyout mypane = new SettingsFlyout();
            mypane.Width = settingsWidth;
            mypane.Height = windowBounds.Height;

            settingsPopup.Child = mypane;
            settingsPopup.SetValue(Canvas.LeftProperty, SettingsPane.Edge == SettingsEdgeLocation.Right ? (windowBounds.Width - settingsWidth) : 0);
            settingsPopup.SetValue(Canvas.TopProperty, 0);
            settingsPopup.IsOpen = true;
        }

void settingsPopup_Closed(object sender, object e)
        {
            Window.Current.Activated -= Current_Activated;
        }

 void Current_Activated(object sender, Windows.UI.Core.WindowActivatedEventArgs e)
        {
            //throw new NotImplementedException();
            if (e.WindowActivationState == Windows.UI.Core.CoreWindowActivationState.Deactivated)
            {
                settingsPopup.IsOpen = false;
            }
        }