WPF换肤的简单实例

最新推荐文章于 2022-08-30 20:37:55 发布

huangwenya123

最新推荐文章于 2022-08-30 20:37:55 发布

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文章标签： wpf

本文链接：https://blog.youkuaiyun.com/huangwenya123/article/details/21155869

版权

先编写两个简单的Button样式。

Style1.xaml:

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <Style x:Key="BtnStyle" TargetType="{x:Type Button}">
        <Setter Property="Background" Value="Blue"/>
    </Style>
</ResourceDictionary>

Style2.xaml:

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <Style x:Key="BtnStyle" TargetType="{x:Type Button}">
        <Setter Property="Background" Value="Yellow"/>
    </Style>
</ResourceDictionary>

前台代码(先调用Style1的样式):

<Window x:Class="WpfResource.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525">
    <Window.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="/WpfResource;Component/Style1.xaml"/>
            </ResourceDictionary.MergedDictionaries>
        </ResourceDictionary>
    </Window.Resources>
    <Grid>
        <Button Style="{DynamicResource BtnStyle}" Height="81" HorizontalAlignment="Left" Margin="113,66,0,0" Name="button1" VerticalAlignment="Top" Width="183" />
        <Button Content="Style2" Height="23" HorizontalAlignment="Left" Margin="221,164,0,0" Name="button2" VerticalAlignment="Top" Width="75" Click="button2_Click" />
        <Button Content="Style1" Height="23" HorizontalAlignment="Left" Margin="113,164,0,0" Name="button3" VerticalAlignment="Top" Width="75" Click="button3_Click" />
    </Grid>
</Window>

后台代码:

 private void button2_Click(object sender, RoutedEventArgs e)
        {
            ResourceDictionary rd = new ResourceDictionary();
            rd.Source = new Uri(@"/WpfResource;Component/Style2.xaml", UriKind.RelativeOrAbsolute);
            this.Resources.MergedDictionaries.Add(rd);
        }

        private void button3_Click(object sender, RoutedEventArgs e)
        {
            ResourceDictionary rd = new ResourceDictionary();
            rd.Source = new Uri(@"WpfResource;Component/Style1.xaml", UriKind.Relative);
            this.Resources.MergedDictionaries.Add(rd);
        }

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