wpf最简单进度条

<Window x:Class="WpfApp1.Window1"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        
        Title="gisoracle进度条" Height="200" Width="600" WindowStartupLocation="CenterScreen"  
        >
    <Grid Margin="100,0">
        <Grid.RowDefinitions>
            <RowDefinition Height="80" />
            <RowDefinition Height="100" />
            <RowDefinition Height="Auto" />
          
        </Grid.RowDefinitions>
        <Label  Name="label1"  Content="进度条提示"></Label>
        <ProgressBar
        Name="ProgressBar"
        Grid.Row="0"
        Width="400"
        Height="30"
        Maximum="100"
        Minimum="0" />
        <DockPanel Grid.Row="1" LastChildFill="False">
            <Button
            
            Click="Download_OnClick"
            Content="确定"
            DockPanel.Dock="Right" Width="100" Height="30" />
        </DockPanel>
    </Grid>


</Window>

代码

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using System.Threading;
 6 using System.Threading.Tasks;
 7 using System.Windows;
 8 using System.Windows.Controls;
 9 using System.Windows.Data;
10 using System.Windows.Documents;
11 using System.Windows.Input;
12 using System.Windows.Media;
13 using System.Windows.Media.Imaging;
14 using System.Windows.Shapes;
15 using System.Windows.Threading;
16 
17 namespace WpfApp1
18 {
19     /// <summary>
20     /// Window1.xaml 的交互逻辑
21     /// </summary>
22     public partial class Window1 : Window
23     {
24         public Window1()
25         {
26             InitializeComponent();
27         }
28 
29         /// <summary>
30         /// Download按钮点击事件
31         /// </summary>
32         /// <param name="sender"></param>
33         /// <param name="e"></param>
34         private void Download_OnClick(object sender, RoutedEventArgs e)
35         {
36             Task task = new Task(TaskMethod);
37             task.Start();
38         }
39 
40         private void TaskMethod()
41         {
42             for (int i = 1; i <= 100; i++)
43             {
44                 Thread.Sleep(50);
45                 
46                 Dispatcher.BeginInvoke((ThreadStart)delegate
47                 {
48                     if (i<=100)
49                     {
50                         label1.Content = i.ToString() + "%";
51                         ProgressBar.Value = i;
52                     }
53 
54                 }, DispatcherPriority.Normal);
55             }
56         }
57 
58     }
59 }