进度条控制
  当前进度：
  
 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
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;
using System.Threading;


namespace WpfBrowserAppDrill
{
 /// 

 /// ProgressBarPage.xaml 的交互逻辑
 /// 
 public partial class ProgressBarPage : Page
 {


  public ProgressBarPage()
  {
   InitializeComponent(); 
  } 


  private void beginImport() 
  {
   double value = 0;
   double total = 100d;//得到循环次数
   while (value < total)
   {
    double jd = Math.Round(((value + 1) * (pb_import.Maximum / total)), 4);


    pb_import.Dispatcher.Invoke(new Action(pb_import.SetValue),
     System.Windows.Threading.DispatcherPriority.Background,
     ProgressBar.ValueProperty,
     jd);
    //这里是加数据或费时的操作，我这里让它挂起300毫秒
    Thread.Sleep(300);
    txtJD.Text = "当前的进度是:" + (value + 1) + "(实际值)" + jd + "(百分比)";
    value++;
   }
  }
  private void Button_Click(object sender, RoutedEventArgs e)
  {
   beginImport();
   ////new Thread(new ThreadStart(beginImport)).Start();


  }


  private void Page_Loaded(object sender, RoutedEventArgs e)
  {  
   pb_import.Maximum = 100;
   pb_import.Value = 0; 


  } 


 }
}