将样式应用于WPF中的所有派生类

Question

我想将样式应用于从Control派生的所有类.这可能与WPF有关吗？以下示例不起作用.我希望Label,TextBox和Button的保证金为4.

<Window x:Class="WeatherInfo.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Wetterbericht" Height="300" Width="300">
    <Window.Resources>
        <Style TargetType="Control">
            <Setter Property="Margin" Value="4"/>
        </Style>
    </Window.Resources>
    <Grid>
        <StackPanel Margin="4" HorizontalAlignment="Left">            
            <Label>Zipcode</Label>
            <TextBox Name="Zipcode"></TextBox>
            <Button>get weather info</Button>
        </StackPanel>
    </Grid>
</Window>

Answer 1

这是一个解决方案:

<Window.Resources>
    <Style TargetType="Control" x:Key="BaseStyle">
        <Setter Property="Margin" Value="4"/>
    </Style>
    <Style BasedOn="{StaticResource BaseStyle}" TargetType="Button" />
    <Style BasedOn="{StaticResource BaseStyle}" TargetType="Label" />
    <Style BasedOn="{StaticResource BaseStyle}" TargetType="TextBox" />
</Window.Resources>
<Grid>
    <StackPanel Margin="4" HorizontalAlignment="Left">
        <Label>Zipcode</Label>
        <TextBox Name="Zipcode"></TextBox>
        <Button>get weather info</Button>
    </StackPanel>
</Grid>

Answer 2

这在WPF中是不可能的.您有几种方法可以帮助您:

1. 使用BasedOn属性基于另一个创建一种样式.
2. 将公共信息(在这种情况下为边距)移动到资源中,并从您创建的每种样式中引用该资源.

例1

<Style TargetType="Control">
    <Setter Property="Margin" Value="4"/>
</Style>

<Style TargetType="TextBox" BasedOn="{StaticResource {x:Type Control}}">
</Style>

例2

<Thickness x:Key="MarginSize">4</Thickness>

<Style TargetType="TextBox">
    <Setter Property="Margin" Value="{StaticResource MarginSize}"/>
</Style>