■ Grid 클래스의 BackgroundTransition 속성에서 BrushTransition 객체를 사용해 테마 변경에 대한 애니메이션을 만드는 방법을 보여준다.
▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8"?> <Page x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Background="{ThemeResource ApplicationPageBackgroundThemeBrush}" FontFamily="나눔고딕코딩" FontSize="16"> <Grid Margin="10"> <Grid.ColumnDefinitions> <ColumnDefinition Width="*" /> <ColumnDefinition Width="10" /> <ColumnDefinition Width="Auto" /> </Grid.ColumnDefinitions> <Grid Name="grid" Grid.Column="0" HorizontalAlignment="Center" VerticalAlignment="Center" Width="300" MinHeight="200" BorderThickness="1" BorderBrush="DimGray" Background="{ThemeResource ApplicationPageBackgroundThemeBrush}" RequestedTheme="Light"> <StackPanel Margin="10" Spacing="10"> <TextBlock Style="{ThemeResource SubheaderTextBlockStyle}" Text="Lorem Ipsum" /> <TextBlock Margin="0 10 0 0" TextWrapping="WrapWholeWords" Text="The background of this grid animates when the theme changes." /> <Button Margin="0 10 0 0" Content="Button" /> <CheckBox Margin="0 10 0 0" Content="CheckBox" /> </StackPanel> </Grid> <Button Name="changeThemeButton" Grid.Column="2" HorizontalAlignment="Center" VerticalAlignment="Center" Padding="5" Content="Change Theme" /> </Grid> </Page> |
▶ MainPage.xaml.cs
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using Microsoft.UI.Xaml; using Microsoft.UI.Xaml.Controls; namespace TestProject { /// <summary> /// 메인 페이지 /// </summary> public sealed partial class MainPage : Page { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); this.grid.BackgroundTransition = new BrushTransition(); this.changeThemeButton.Click += changeThemeButton_Click; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region Change Theme 버튼 클릭시 처리하기 - changeThemeButton_Click(sender, e) /// <summary> /// Change Theme 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void changeThemeButton_Click(object sender, RoutedEventArgs e) { this.grid.RequestedTheme = this.grid.RequestedTheme == ElementTheme.Dark ? ElementTheme.Light : ElementTheme.Dark; } #endregion } } |
