wpf多线程进度条更新进度

Posted 2022-01-12 棉晗榜

主要的使用类：Dispatcher

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WpfApp_Update

    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    
        public MainWindow()
        
            InitializeComponent();

            //启动后，检查下载更新文件
            //同时更新进度条
            Task.Run(() =>
            
                for (int i = 0; i <= 10; i++)
                
                    var g = 1000000000;
                    while (g > 0)
                    
                        g--;
                    

                    //进度条更新
                    jindu.Dispatcher.BeginInvoke(new Action<int>((a) =>
                        
                            this.jindu.Value = a * 10;
                            this.jindu_value.Content = a * 10 + "%";
                        )
                    , i); 
                
            );



            //更新完成
            //启动主程序
            try
            
                //System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo("WpfApp.exe")
                //
                //    // UseShellExecute is false by default on .NET Core.
                //    UseShellExecute = true
                //);
            
            catch (Exception)