WPF应用程序资源和样式的使用示例

Application.Resources应用程序资源，资源：【样式】，图片，字体文件，音频，视频等
在此处定义的资源，是全局性的，整个应用程序都可以共享此资源
此处定义的样式，称为全局样式，整个应用程序都可用。 优先级最低。
局部样式：某个窗体内可用。优先级次之。
行内样式：某个控件可用，某个控件（标签），开始标签中的属性都是行内样式。 优先级最高。

<Application.Resources>
    <ResourceDictionary>
        <Style x:Key="buttonDefaultStyle" TargetType="Button">
            <Setter Property="Background" Value="Blue" />
            <Setter Property="Foreground" Value="White" />
        </Style>

        <Style x:Key="buttonWarnStyle" TargetType="Button">
            <Setter Property="Background" Value="Red" />
            <Setter Property="Foreground" Value="White" />
        </Style>

        <!--  合并资源字典文件（导入样式文件）  -->
        <ResourceDictionary.MergedDictionaries>
            <ResourceDictionary Source="pack://application:,,,/WpfApp1;component/Resources/Dictionary1.xaml" />
            <ResourceDictionary Source="pack://application:,,,/WpfApp1;component/Resources/Dictionary2.xaml" />
        </ResourceDictionary.MergedDictionaries>
    </ResourceDictionary>
</Application.Resources>

WpfApp1;component/Resources/Dictionary1.xaml 路径来源

Dictionary1.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <Style x:Key="LabelStyle" TargetType="Label">
        <Setter Property="Margin" Value="0,10" />
        <Setter Property="Grid.Column" Value="0" />
        <Setter Property="Grid.Row" Value="0" />
        <Setter Property="Margin" Value="0,10" />
        <Setter Property="Content" Value="_Account：" />
        <Setter Property="Target" Value="{Binding ElementName=txtAccount}" />
    </Style>
    <Style
        x:Key="LabelStyle2"
        BasedOn="{StaticResource LabelStyle}"
        TargetType="Label">
        <Setter Property="Grid.Row" Value="1" />
        <Setter Property="Content" Value="_Password：" />
        <Setter Property="Target" Value="{Binding ElementName=txtPassword}" />
    </Style>

</ResourceDictionary>

Dictionary2.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <Style x:Key="ButtonBaseStyle" TargetType="Button">
        <Setter Property="Width" Value="100" />
        <Setter Property="Height" Value="30" />
    </Style>
    <Style
        x:Key="ButtonStyle"
        BasedOn="{StaticResource ButtonBaseStyle}"
        TargetType="Button">
        <Setter Property="Grid.Row" Value="2" />
        <Setter Property="Grid.Column" Value="0" />
        <Setter Property="Grid.ColumnSpan" Value="2" />
        <Setter Property="Margin" Value="0,5" />
        <Setter Property="HorizontalAlignment" Value="Center" />
        <Setter Property="Background" Value="#399ae7" />
        <Setter Property="BorderThickness" Value="0" />
        <Setter Property="Content" Value="登录" />
        <Setter Property="Foreground" Value="#ffffff" />
    </Style>
    <Style x:Key="BaseStyle" TargetType="Control">
        <Setter Property="Width" Value="120" />
        <Setter Property="Height" Value="30" />
        <Setter Property="Padding" Value="5,0" />
    </Style>
    <Style
        x:Key="TextBoxStyle"
        BasedOn="{StaticResource BaseStyle}"
        TargetType="TextBox">
        <Setter Property="Grid.Row" Value="0" />
        <Setter Property="Grid.Column" Value="1" />
        <Setter Property="Width" Value="120" />
        <Setter Property="Height" Value="30" />
        <Setter Property="Padding" Value="5,0" />
        <Setter Property="VerticalContentAlignment" Value="Center" />
    </Style>
    <Style
        x:Key="PasswordBoxStyle"
        BasedOn="{StaticResource BaseStyle}"
        TargetType="PasswordBox">
        <Setter Property="Grid.Row" Value="1" />
        <Setter Property="Grid.Column" Value="1" />
        <Setter Property="Width" Value="120" />
        <Setter Property="Height" Value="30" />
        <Setter Property="Padding" Value="5,0" />
        <Setter Property="VerticalContentAlignment" Value="Center" />
    </Style>
</ResourceDictionary>