■ Trigger 엘리먼트를 사용해 속성 값 변경시 애니메이션을 트리거하는 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> <Style x:Key="EllipseStyleKey" TargetType="{x:Type Ellipse}"> <Setter Property="Opacity" Value="0.25" /> <Style.Triggers> <Trigger Property="IsMouseOver" Value="True"> <Trigger.EnterActions> <BeginStoryboard> <Storyboard> <DoubleAnimation Storyboard.TargetProperty="Opacity" Duration="00:00:01" To="1" /> </Storyboard> </BeginStoryboard> </Trigger.EnterActions> <Trigger.ExitActions> <BeginStoryboard> <Storyboard> <DoubleAnimation Storyboard.TargetProperty="Opacity" Duration="00:00:01" To="0.25" /> </Storyboard> </BeginStoryboard> </Trigger.ExitActions> </Trigger> </Style.Triggers> </Style> </Window.Resources> <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center"> <Ellipse Style="{StaticResource EllipseStyleKey}" Width="250" Height="250" Fill="Gold" /> <TextBlock HorizontalAlignment="Center" Margin="0 30 0 0" Text="마우스를 원 위로 이동시켜 주시기 바랍니다." /> </StackPanel> </Window> |
