■ Storyboard 엘리먼트와 BackgroundWorker 객체를 사용해 비동기 프로세스 동안 연속 애니메이션을 표시하는 방법을 보여준다.
▶ MainWindow.xaml
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<Window x:Class="TestProject.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Width="800" Height="600" Title="TestProject" FontFamily="나눔고딕코딩" FontSize="16"> <Window.Resources> <Storyboard x:Key="PulseStoryboardKey" AutoReverse="True" > <ColorAnimationUsingKeyFrames Storyboard.TargetName="ellipse" Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[0].(GradientStop.Color)" BeginTime="00:00:00"> <SplineColorKeyFrame KeyTime="00:00:00.50" Value="Lime" /> </ColorAnimationUsingKeyFrames> <ColorAnimationUsingKeyFrames Storyboard.TargetName="ellipse" Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[1].(GradientStop.Color)" BeginTime="00:00:00"> <SplineColorKeyFrame KeyTime="00:00:00.50" Value="Green" /> </ColorAnimationUsingKeyFrames> </Storyboard> </Window.Resources> <Grid Margin="10"> <Grid.RowDefinitions> <RowDefinition Height="*" /> <RowDefinition Height="Auto" /> </Grid.RowDefinitions> <Ellipse Name="ellipse" Margin="10" Width="400" Height="400" Stroke="{x:Null}"> <Ellipse.Fill> <RadialGradientBrush GradientOrigin="0.25 0.25"> <GradientStop Offset="0" Color="Red" /> <GradientStop Offset="1" Color="Blue" /> </RadialGradientBrush> </Ellipse.Fill> </Ellipse> <Button Name="startButton" Grid.Row="1" Margin="10" Width="100" Height="30" Content="Start" /> </Grid> </Window> |
▶ MainWindow.xaml.cs
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using System.ComponentModel; using System.Threading; using System.Windows; using System.Windows.Media.Animation; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 펄스 스토리보드 /// </summary> private Storyboard pulseStoryboard; /// <summary> /// 백그라운드 작업자 /// </summary> private BackgroundWorker worker; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); this.pulseStoryboard = Resources["PulseStoryboardKey"] as Storyboard; this.pulseStoryboard.RepeatBehavior = RepeatBehavior.Forever; this.worker = new BackgroundWorker(); this.startButton.Click += startButton_Click; this.worker.DoWork += worker_DoWork; this.worker.RunWorkerCompleted += worker_RunWorkerCompleted; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region Start 버튼 클릭시 처리하기 - startButton_Click(sender, e) /// <summary> /// Start 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void startButton_Click(object sender, RoutedEventArgs e) { this.pulseStoryboard.Begin(this, true); this.worker.RunWorkerAsync(); this.startButton.IsEnabled = false; } #endregion #region 백그라운자 작업자 작업시 처리하기 - worker_DoWork(sender, e) /// <summary> /// 백그라운자 작업자 작업시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void worker_DoWork(object sender, DoWorkEventArgs e) { for(int i = 1; i <= 50; i++) { Thread.Sleep(100); } } #endregion #region 백그라운자 작업자 작업 완료시 처리하기 - worker_RunWorkerCompleted(sender, e) /// <summary> /// 백그라운자 작업자 작업 완료시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void worker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e) { this.startButton.IsEnabled = true; this.pulseStoryboard.Stop(this); } #endregion } } |
