WPF 精修篇 非UI进程后台更新UI进程

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            "11*"/>




            "29*"/>




        



        "Horizontal" Margin="0" VerticalAlignment="Center">




            开始数据




            "beginText" HorizontalAlignment="Left" Height="31" TextWrapping="Wrap" Text="100" VerticalAlignment="Top" Width="100"/>




            结束数据




            "endText" HorizontalAlignment="Left" Height="31" TextWrapping="Wrap" Text="1000000000" VerticalAlignment="Top" Width="100"/>




            "button" Content="开始" HorizontalAlignment="Center" VerticalAlignment="Center" Width="75" Click="Button_Click"/>




        



        "0" Grid.Row="1">




            "odd" TextWrapping="Wrap"  Text="奇数数量："/>




            "even" TextWrapping="Wrap" Text="偶数数量："/>




        



    

       private int oddcount =0;



        private int evencount =0;



        public void Make(int from ,int to) 




        {




            for (int i = from; i 


            {



                if (i % 2 == 0)



                {



                    evencount++;



                }



                else 



                {



                    oddcount++;



                }



            }



        }



        private void Button_Click(object sender, RoutedEventArgs e)




        {



            int from=0;



            int to = 0;



            if(int.TryParse(beginText.Text,out from)&&int.TryParse(endText.Text,out to) )



            {



                button.IsEnabled = false;



                ThreadPool.QueueUserWorkItem(_ =>



                {



                    Make(from, to);



                    Dispatcher.BeginInvoke(new Action(() =>



                    {



                        odd.Text = "奇数数量：" + oddcount;



                        even.Text = "偶数数量：" + evencount;



                        button.IsEnabled = true;



                    }));



                  



                });



        



            }



 



        }



 




   Dispatcher.BeginInvoke(new Action(() =>



                    {



                       //UI线程




                    }));



 
WPF 精修篇 非UI进程后台更新UI进程
标签：public   begin   params   str   keyword   led   ali   vat   rap   
原文地址：https://www.cnblogs.com/lonelyxmas/p/12075536.html