WPF 将 Setter 属性值绑定到不同样式的另一个 Setter 属性值
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时间：2020-09-13 09:53:43 来源:igfitidea点击:
WPF Bind Setter Property Value to another Setter Property Value in different style
提问by Ron
I have 2 elements - window and button.
I want to bind the Window's BorderBrushValue to the Button's isPressedBackgroundValue.
我有 2 个元素 - 窗口和按钮。
我想将Window's BorderBrushValue绑定到Button's isPressedBackgroundValue。
Both elements has custom style. here are the styles:
Button Style:
两个元素都有自定义样式。这里是样式：
按钮样式：
<Style x:Key="TitleBarButton" TargetType="Button">
<Setter Property="Foreground" Value="Black"/>
<Setter Property="Background" Value="Transparent"/>
<Setter Property="BorderThickness" Value="0"/>
<Setter Property="Padding" Value="12,8.5"/>
<Setter Property="FocusVisualStyle" Value="{x:Null}"/>
<Setter Property="FontFamily" Value="Marlett"/>
<Setter Property="FontSize" Value="12"/>
<Setter Property="SnapsToDevicePixels" Value="true"/>
<Setter Property="IsTabStop" Value="False"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="Button">
<Border BorderThickness="{TemplateBinding BorderThickness}" BorderBrush="{TemplateBinding BorderBrush}" Background="{TemplateBinding Background}" Padding="{TemplateBinding Padding}">
<Grid>
<ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center" TextBlock.FontFamily="{TemplateBinding FontFamily}" TextBlock.FontSize="{TemplateBinding FontSize}" />
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="Background" Value="#EFEFF2" />
</Trigger>
<Trigger Property="IsPressed" Value="True">
<Setter Property="Background" Value="#007ACC"/>
<Setter Property="Foreground" Value="White"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
Window Style:
窗型：
<Style TargetType="{x:Type local:MetroWindow}">
<Setter Property="Background" Value="White"/>
<Setter Property="WindowStyle" Value="None"/>
<Setter Property="ResizeMode" Value="CanResize"/>
<Setter Property="AllowsTransparency" Value="True"/>
<Setter Property="BorderBrush" Value="#007ACC"/>
<Setter Property="BorderThickness" Value="0.5"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type local:MetroWindow}">
<Grid Name="BaseGrid" Background="{TemplateBinding Background}">
<Grid.RowDefinitions>
<RowDefinition Height="4" />
<RowDefinition Height="*" />
<RowDefinition Height="4" />
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="4" />
<ColumnDefinition Width="*" />
<ColumnDefinition Width="4" />
</Grid.ColumnDefinitions>
<DockPanel LastChildFill="true" Grid.RowSpan="3" Grid.ColumnSpan="3">
<Border Name="TopBorder" DockPanel.Dock="Top" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}"/>
<Border Name="RightBorder" DockPanel.Dock="Right" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}"/>
<Border Name="BottomBorder" DockPanel.Dock="Bottom" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}"/>
<Border Name="LeftBorder" DockPanel.Dock="Left" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}"/>
<DockPanel LastChildFill="True">
<DockPanel LastChildFill="True" DockPanel.Dock="Top">
<StackPanel Orientation="Horizontal" DockPanel.Dock="Right">
<Button x:Name="Minimize" ToolTip="Minimize" Content="0" Style="{StaticResource TitleBarButton}"/>
<Button x:Name="Restore" ToolTip="Restore" Content="2" Style="{StaticResource TitleBarButton}" Visibility="Collapsed"/>
<Button x:Name="Maximize" ToolTip="Maximize" Content="1" Style="{StaticResource TitleBarButton}"/>
<Button x:Name="Close" ToolTip="Close" Content="r" Style="{StaticResource TitleBarButton}"/>
</StackPanel>
<DockPanel x:Name="TitleBar">
<Border x:Name="IconBorder" Padding="5,0,0,0">
<Image Width="16" Height="16" Source="{Binding Icon, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Window}}}" RenderOptions.BitmapScalingMode="NearestNeighbor" RenderOptions.EdgeMode="Aliased"/>
</Border>
<Label x:Name="Title" VerticalAlignment="Center" FontSize="14" Content="{Binding Title, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Window}}}"/>
</DockPanel>
</DockPanel>
<Grid>
<AdornerDecorator>
<ContentPresenter/>
</AdornerDecorator>
</Grid>
</DockPanel>
</DockPanel>
<Rectangle x:Name="TopLeftRectangle" Fill="Transparent" />
<Rectangle x:Name="TopRectangle" Fill="Transparent" Grid.Column="1" />
<Rectangle x:Name="TopRightRectangle" Fill="Transparent" Grid.Column="2" />
<Rectangle Name="RightRectangle" Fill="Transparent" Grid.Row="1" Grid.Column="2" />
<Rectangle Name="BottomRightRectangle" Fill="Transparent" Grid.Row="2" Grid.Column="2" />
<Rectangle Name="BottomRectangle" Fill="Transparent" Grid.Row="2" Grid.Column="1" />
<Rectangle Name="BottomLeftRectangle" Fill="Transparent" Grid.Row="2" />
<Rectangle Name="LeftRectangle" Fill="Transparent" Grid.Row="1" />
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
回答by Nitin
In your Button ControlTemplate.Triggerfor IsPressedyou can bind the Backgroundin
Setterlike:
在您的按钮ControlTemplate.Trigger用于IsPressed可以绑定Background在
Setter这样的：
<Setter Property="Background" Value="{Binding BorderBrush, RelativeSource= {RelativeSource AncestorType={x:Type local:MetroWindow}}}"/>
回答by Mahendra Apte
In your Button ControlTemplate.Triggerfor IsPressedyou can bind the Backgroundin Setter like:
在你的Button ControlTemplate.TriggerforIsPressed你可以绑定Background在 Setter 中，如：
Setter Property="Background" Value="{Binding Path=BorderBrush, RelativeSource={RelativeSource TemplatedParent}}"
