03-19 07:15 阅读 138

WPF实现进度条实时更新效果

这篇文章主要为大家详细介绍了WPF实现进度条实时更新效果，具有一定的参考价值，感兴趣的小伙伴们可以参考一下

本文实例为大家分享了WPF实现一个实时更新的进度条，供大家参考，具体内容如下

效果图

xaml代码

<Window x:Class="ProgressBar.MainWindow"

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

    xmlns:local="clr-namespace:ProgressBar"

    mc:Ignorable="d"

    Title="MainWindow" Height="250" Width="400">

  <Grid>

    <ProgressBar Name="progressBar" Minimum="1" Maximum="1000" Height="50"/>

    <Button Content="Done" VerticalAlignment="Bottom" HorizontalAlignment="Center" FontSize="20" Margin="10" Click="Button_Click"/>

  </Grid>

</Window>

后台代码

using System;

using System.Windows;

using System.Windows.Controls.Primitives;

using System.Windows.Threading;

namespace ProgressBar

{

  /// <summary>

  /// MainWindow.xaml 的交互逻辑

  /// </summary>

  public partial class MainWindow : Window

{

    public MainWindow()

{

      InitializeComponent();

}

    private delegate void UpdateProgressBarDelegate(DependencyProperty dp, object value);

    private void Button_Click(object sender, RoutedEventArgs e)

{

      UpdateProgressBarDelegate updateProgressBaDelegate = new UpdateProgressBarDelegate(progressBar.SetValue);

      for (int i = (int)progressBar.Minimum; i <= (int)progressBar.Maximum; i++)

{

        Dispatcher.Invoke(updateProgressBaDelegate, DispatcherPriority.Background, new object[] { RangeBase.ValueProperty, Convert.ToDouble(i) });

}

}

}

}

以上就是本文的全部内容，希望对大家的学习有所帮助

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