WPF换肤的简单实例

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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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