62.SilverLight3 - ProgressBar

ProgressBar
- 작업 진행 상태를 표시 할 때 많이 사용되는 컨트롤입니다.

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MainPage.xaml

<Grid x:Name="LayoutRoot" Background="White">         <StackPanel>             <TextBlock x:Name="txtTime" Text="시간 : " FontSize="14"                        VerticalAlignment="Center"></TextBlock>             <ProgressBar x:Name="prsBar" Minimum="0" Maximum="100" Height="30">             </ProgressBar>             <Button x:Name="btnGo" Content="오래 걸리는 작업 실행" FontSize="14">             </Button>         </StackPanel> </Grid>

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MainPage.xaml.cs

namespace ProgressBar {     public partial class MainPage : UserControl     {        public MainPage()        {            InitializeComponent();              //버튼 이벤트            btnGo.Click += new RoutedEventHandler(btnGo_Click);              //진행시간표시            prsBar.ValueChanged +=                   new RoutedPropertyChangedEventHandler<double>(prsBar_ValueChanged);        }          void prsBar_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)        {            txtTime.Text = "시간 : " + this.prsBar.Value.ToString();            txtTime.Text += "%";        }          void btnGo_Click(object sender, RoutedEventArgs e)        {            //비동기 처리(다른 작업 가능하게 함), 내부적으로 처리            //다운로드 또는 프로그레스바 진행시 현재 프로그램과 무관한 다른 스레드에서            //특정 기능 실행            BackgroundWorker worker = new BackgroundWorker();            worker.WorkerReportsProgress = true;                       worker.DoWork += new DoWorkEventHandler(worker_DoWork);            worker.ProgressChanged +=                   new ProgressChangedEventHandler(worker_ProgressChanged);            worker.RunWorkerAsync();        }          void worker_ProgressChanged(object sender, ProgressChangedEventArgs e)        {            this.prsBar.Value = e.ProgressPercentage; //변경된 값 출력        }          void worker_DoWork(object sender, DoWorkEventArgs e)        {            int step = 10; //10씩 증가            int newValue = 0;            while (newValue < 100)            {                newValue += step;                BackgroundWorker worker = sender as BackgroundWorker;                worker.ReportProgress(newValue);                Thread.Sleep(500); //0.5초 대기            }        }    } }

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결과화면

ProgressBar.zip