progressbar

PacticeSolution/ProgressBarSample/MainWindow.xaml.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading;
+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 ProgressBarSample
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        private BackgroundWorker _worker;
+
+        public MainWindow()
+        {
+            InitializeComponent();
+            InitInstance();
+        }
+
+        private void InitInstance()
+        {
+            _worker = new BackgroundWorker();
+            _worker.WorkerReportsProgress = true;
+            _worker.DoWork -= OnWorker_DoWork;
+            _worker.ProgressChanged -= OnWorker_ProgressChanged;
+            _worker.RunWorkerCompleted -= OnWorker_RunWorkerCompleted;
+            _worker.DoWork += OnWorker_DoWork;
+            _worker.ProgressChanged += OnWorker_ProgressChanged;
+            _worker.RunWorkerCompleted += OnWorker_RunWorkerCompleted;
+        }
+
+        private void btnStart_Click(object sender, RoutedEventArgs e)
+        {
+            if (_worker.IsBusy)
+                return;
+
+            _worker.RunWorkerAsync();
+        }
+
+        private void OnWorker_RunWorkerCompleted(object? sender, RunWorkerCompletedEventArgs e)
+        {
+            pgbMain.Value = pgbMain.Maximum;
+        }
+
+        private void OnWorker_ProgressChanged(object? sender, ProgressChangedEventArgs e)
+        {
+            pgbMain.Value = (double)e.ProgressPercentage / 10.0;
+        }
+
+        private void OnWorker_DoWork(object? sender, DoWorkEventArgs e)
+        {
+            for (int i = 0; i < 1000; i++)
+            {
+                _worker.ReportProgress(i);
+                Thread.Sleep(10);
+            }
+        }
+    }
+}