1 <Window x:Class="WpfApp3.MainWindow" 2 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 3 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 4 xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 5 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 6 xmlns:local="clr-namespace:WpfApp3" 7 mc:Ignorable="d" 8 Title="MainWindow" Height="450" Width="450"> 9 <Window.Resources> 10 </Window.Resources> 11 <Grid> 12 <StackPanel 13 HorizontalAlignment="Center" 14 VerticalAlignment="Center" > 15 <Grid> 16 <Ellipse Width="20" 17 Height="20" 18 IsHitTestVisible="False" 19 RenderTransformOrigin="0.5,0.5" 20 x:Name="ellipse" > 21 <Ellipse.RenderTransform> 22 <ScaleTransform ScaleX="1" ScaleY="1"/> 23 </Ellipse.RenderTransform> 24 <Ellipse.Fill> 25 <RadialGradientBrush> 26 <GradientStop Color="#ffffff" Offset="0.4"/> 27 <GradientStop Color="Red" Offset="0.1"/> 28 </RadialGradientBrush> 29 </Ellipse.Fill> 30 <Ellipse.Style> 31 <Style TargetType="Ellipse"> 32 <Setter Property="Visibility" Value="Collapsed" /> 33 <Style.Triggers> 34 <DataTrigger Binding="{Binding RelativeSource={RelativeSource Mode=FindAncestor,AncestorType=local:MainWindow},Path=IsTwinkle}" 35 Value="true"> 36 <DataTrigger.Setters> 37 <Setter Property="Visibility" Value="Visible" /> 38 </DataTrigger.Setters> 39 <DataTrigger.EnterActions> 40 <BeginStoryboard Name="bb"> 41 <Storyboard RepeatBehavior="Forever"> 42 <DoubleAnimation BeginTime="0" Storyboard.TargetProperty="RenderTransform.ScaleX" 43 From="0" 44 To="10" 45 Duration="00:00:0.6" /> 46 <DoubleAnimation BeginTime="0" Storyboard.TargetProperty="RenderTransform.ScaleY" 47 From="0" 48 To="10" 49 Duration="00:00:0.6" /> 50 </Storyboard> 51 </BeginStoryboard> 52 </DataTrigger.EnterActions> 53 </DataTrigger> 54 <DataTrigger Binding="{Binding RelativeSource={RelativeSource Mode=FindAncestor,AncestorType=local:MainWindow},Path=IsTwinkle}" 55 Value="false"> 56 <DataTrigger.EnterActions> 57 <StopStoryboard BeginStoryboardName="bb" /> 58 </DataTrigger.EnterActions> 59 </DataTrigger> 60 </Style.Triggers> 61 </Style> 62 </Ellipse.Style> 63 </Ellipse> 64 <Border Width="10" 65 Height="10" 66 CornerRadius="5" 67 BorderThickness="0" 68 Background="Blue" /> 69 </Grid> 70 <Grid Margin="50"> 71 <Ellipse Width="20" 72 Height="20" 73 IsHitTestVisible="False" 74 RenderTransformOrigin="0.5,0.5" 75 x:Name="ellipse2" > 76 <Ellipse.RenderTransform> 77 <ScaleTransform ScaleX="1" ScaleY="1"/> 78 </Ellipse.RenderTransform> 79 <Ellipse.Fill> 80 <RadialGradientBrush> 81 <GradientStop Color="#ffffff" Offset="0.35"/> 82 <GradientStop Color="Red" Offset="0.8"/> 83 </RadialGradientBrush> 84 </Ellipse.Fill> 85 <Ellipse.Style> 86 <Style TargetType="Ellipse"> 87 <Setter Property="Visibility" Value="Collapsed" /> 88 <Style.Triggers> 89 <DataTrigger Binding="{Binding RelativeSource={RelativeSource Mode=FindAncestor,AncestorType=local:MainWindow},Path=IsTwinkle}" 90 Value="true"> 91 <DataTrigger.Setters> 92 <Setter Property="Visibility" Value="Visible" /> 93 </DataTrigger.Setters> 94 <DataTrigger.EnterActions> 95 <BeginStoryboard Name="bb"> 96 <Storyboard RepeatBehavior="Forever"> 97 <DoubleAnimation BeginTime="0" Storyboard.TargetProperty="RenderTransform.ScaleX" 98 From="0" 99 To="1" 100 Duration="00:00:0.6" /> 101 <DoubleAnimation BeginTime="0" Storyboard.TargetProperty="RenderTransform.ScaleY" 102 From="0" 103 To="1" 104 Duration="00:00:0.6" /> 105 </Storyboard> 106 </BeginStoryboard> 107 </DataTrigger.EnterActions> 108 </DataTrigger> 109 <DataTrigger Binding="{Binding RelativeSource={RelativeSource Mode=FindAncestor,AncestorType=local:MainWindow},Path=IsTwinkle}" 110 Value="false"> 111 <DataTrigger.EnterActions> 112 <StopStoryboard BeginStoryboardName="bb" /> 113 </DataTrigger.EnterActions> 114 </DataTrigger> 115 </Style.Triggers> 116 </Style> 117 </Ellipse.Style> 118 </Ellipse> 119 <Border Width="10" 120 Height="10" 121 CornerRadius="5" 122 BorderThickness="0" 123 Background="Blue" /> 124 </Grid> 125 </StackPanel> 126 <StackPanel VerticalAlignment="Center"> 127 <CheckBox IsChecked="{Binding RelativeSource={RelativeSource Mode=FindAncestor,AncestorType=local:MainWindow},Path=IsTwinkle}" 128 Content="是否閃爍"/> 129 </StackPanel> 130 </Grid> 131 </Window>
1 public partial class MainWindow : Window 2 { 3 public MainWindow() 4 { 5 InitializeComponent(); 6 } 7 8 /// <summary> 9 /// 是否閃爍 10 /// </summary> 11 public bool IsTwinkle 12 { 13 get { return (bool)GetValue(IsTwinkleProperty); } 14 set { SetValue(IsTwinkleProperty, value); } 15 } 16 17 public static readonly DependencyProperty IsTwinkleProperty = 18 DependencyProperty.Register("IsTwinkle", typeof(bool), typeof(MainWindow), new PropertyMetadata(false)); 19 20 }