WPF's use of System.Windows.Threading.DispatcherTimer (repeat doing something every once in a while)

A progress bar is used here to show

Previous section code:

1<window x:class="Timertest.mainwindow"2xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"3xmlns:x="Http://schemas.microsoft.com/winfx/2006/xaml"4title="MainWindow"height=" -"Width="525">5<Grid>6<button content="Button"Horizontalalignment=" Left"margin="241,249,0,0"Verticalalignment="Top"Width=" the"click="Button_Click"/>7<progressbar x:name="PB"minimum="0"maximum=" -"Horizontalalignment=" Left"height=" the"margin="10,151,0,0"Verticalalignment="Top"Width="497"/>8 9</Grid>Ten</Window>

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Background code:

1 usingSystem;2 usingSystem.Collections.Generic;3 usingSystem.Linq;4 usingSystem.Text;5 usingSystem.Threading.Tasks;6 usingSystem.Windows;7 usingSystem.Windows.Controls;8 usingSystem.Windows.Data;9 usingSystem.Windows.Documents;Ten usingSystem.Windows.Input; One usingSystem.Windows.Media; A usingSystem.Windows.Media.Imaging; - usingSystem.Windows.Navigation; - usingSystem.Windows.Shapes; the usingSystem.Windows.Threading; -  - namespacetimertest - { +     /// <summary> -     ///Interaction logic for MainWindow.xaml +     /// </summary> A      Public Partial classMainwindow:window at     { -          PublicMainWindow () -         { - InitializeComponent (); -         } -  in         Private voidButton_Click (Objectsender, RoutedEventArgs e) -         { toDispatcherTimer DispatcherTimer =NewDispatcherTimer (); +Dispatchertimer.tick + =NewEventHandler (Dispatchertimer_tick); -Dispatchertimer.interval =NewTimeSpan (0,0,1); the Dispatchertimer.start (); *         } $ Panax Notoginseng         Private voidDispatchertimer_tick (Objectsender, EventArgs e) -         { thePb. Value + =3; +         } A     } the}

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WPF's use of System.Windows.Threading.DispatcherTimer (repeat doing something every once in a while)