如何解决如何更改 WPF 复选框勾号的颜色?
我想将 WPF CheckBox
中的勾号颜色从黑色更改为白色。我曾尝试在 CheckBox
声明中这样做:
<CheckBox Background="black" Foreground="White" BorderBrush="#262626"/>
背景和边框成功改变,但不是刻度本身。
解决方法
也许有一种更简单的方法,但我使用这样的自定义复选框样式实现了这一点:
<Style TargetType="{x:Type CheckBox}">
<Setter Property="Background" Value="White" />
<Setter Property="BorderBrush" Value="#FF262E34"/>
<Setter Property="Foreground" Value="#FF262E34"/>
<Setter Property="BorderThickness" Value="1"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type CheckBox}">
<StackPanel Orientation="Horizontal" HorizontalAlignment="Stretch" >
<Border BorderBrush="{TemplateBinding BorderBrush}" Background="{TemplateBinding Background}" BorderThickness="{TemplateBinding BorderThickness}" Width="15" Height="15">
<!-- your color here -->
<Path Width="15" Height="10" Stroke="HotPink" StrokeThickness="3" Name="eliCheck" Data="M 2,4 C 2,4 3,5 5,13 C 5,13 5,3 12,0" Visibility="Collapsed"/>
</Border>
<TextBlock Margin="5,0" VerticalAlignment="Center" Foreground="{TemplateBinding Foreground}" Text="{TemplateBinding Content}"></TextBlock>
</StackPanel>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="Background" Value="LightGray" />
</Trigger>
<Trigger Property="IsPressed" Value="True">
<Setter Property="Background" Value="#FF9C9E9F" />
</Trigger>
<Trigger Property="IsEnabled" Value="False">
<Setter Property="Background" Value="LightGray" />
<Setter Property="Foreground" Value="Gray" />
<Setter Property="BorderBrush" Value="Gray"/>
<Setter TargetName="eliCheck" Property="Opacity" Value="0.5" />
</Trigger>
<Trigger Property="IsChecked" Value="True">
<Setter TargetName="eliCheck" Property="Visibility" Value="Visible"></Setter>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
,
CheckBox
控件具有各种视觉状态,背景、边框和选项标记字形的颜色不同。您可以参考 documentation 了解所需的部分和视觉状态。
如果要编辑颜色,则必须更改默认样式和控件模板。你可以提取它using Blend or Visual Studio。下面是默认模板。您需要做的是将这些资源复制到范围内的资源字典中,例如应用资源并调整SolidColorBursh
es。
<SolidColorBrush x:Key="OptionMark.Static.Background" Color="#FFFFFFFF"/>
<SolidColorBrush x:Key="OptionMark.Static.Border" Color="#FF707070"/>
<SolidColorBrush x:Key="OptionMark.Static.Glyph" Color="#FF212121"/>
<SolidColorBrush x:Key="OptionMark.MouseOver.Background" Color="#FFF3F9FF"/>
<SolidColorBrush x:Key="OptionMark.MouseOver.Border" Color="#FF5593FF"/>
<SolidColorBrush x:Key="OptionMark.MouseOver.Glyph" Color="#FF212121"/>
<SolidColorBrush x:Key="OptionMark.Pressed.Background" Color="#FFD9ECFF"/>
<SolidColorBrush x:Key="OptionMark.Pressed.Border" Color="#FF3C77DD"/>
<SolidColorBrush x:Key="OptionMark.Pressed.Glyph" Color="#FF212121"/>
<SolidColorBrush x:Key="OptionMark.Disabled.Background" Color="#FFE6E6E6"/>
<SolidColorBrush x:Key="OptionMark.Disabled.Border" Color="#FFBCBCBC"/>
<SolidColorBrush x:Key="OptionMark.Disabled.Glyph" Color="#FF707070"/>
<Style x:Key="FocusVisual">
<Setter Property="Control.Template">
<Setter.Value>
<ControlTemplate>
<Rectangle Margin="2"
SnapsToDevicePixels="true"
Stroke="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"
StrokeDashArray="1 2"
StrokeThickness="1" />
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Style x:Key="OptionMarkFocusVisual">
<Setter Property="Control.Template">
<Setter.Value>
<ControlTemplate>
<Rectangle Margin="14,0"
SnapsToDevicePixels="true"
Stroke="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"
StrokeDashArray="1 2"
StrokeThickness="1" />
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Style x:Key="CheckBoxStyle"
TargetType="{x:Type CheckBox}">
<Setter Property="FocusVisualStyle"
Value="{StaticResource FocusVisual}" />
<Setter Property="Background"
Value="{StaticResource OptionMark.Static.Background}" />
<Setter Property="BorderBrush"
Value="{StaticResource OptionMark.Static.Border}" />
<Setter Property="Foreground"
Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}" />
<Setter Property="BorderThickness"
Value="1" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type CheckBox}">
<Grid x:Name="templateRoot"
Background="Transparent"
SnapsToDevicePixels="True">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto" />
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<Border x:Name="checkBoxBorder"
Margin="1"
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
Background="{TemplateBinding Background}"
BorderBrush="{TemplateBinding BorderBrush}"
BorderThickness="{TemplateBinding BorderThickness}">
<Grid x:Name="markGrid">
<Path x:Name="optionMark"
Margin="1"
Data="F1 M 9.97498,1.22334L 4.6983,9.09834L 4.52164,9.09834L 0,5.19331L 1.27664,3.52165L 4.255,6.08833L 8.33331,1.52588e-005L 9.97498,1.22334 Z "
Fill="{StaticResource OptionMark.Static.Glyph}"
Opacity="0"
Stretch="None" />
<Rectangle x:Name="indeterminateMark"
Margin="2"
Fill="{StaticResource OptionMark.Static.Glyph}"
Opacity="0" />
</Grid>
</Border>
<ContentPresenter x:Name="contentPresenter"
Grid.Column="1"
Margin="{TemplateBinding Padding}"
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
Focusable="False"
RecognizesAccessKey="True"
SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="HasContent"
Value="true">
<Setter Property="FocusVisualStyle"
Value="{StaticResource OptionMarkFocusVisual}" />
<Setter Property="Padding"
Value="4,-1,0" />
</Trigger>
<Trigger Property="IsMouseOver"
Value="true">
<Setter TargetName="checkBoxBorder"
Property="Background"
Value="{StaticResource OptionMark.MouseOver.Background}" />
<Setter TargetName="checkBoxBorder"
Property="BorderBrush"
Value="{StaticResource OptionMark.MouseOver.Border}" />
<Setter TargetName="optionMark"
Property="Fill"
Value="{StaticResource OptionMark.MouseOver.Glyph}" />
<Setter TargetName="indeterminateMark"
Property="Fill"
Value="{StaticResource OptionMark.MouseOver.Glyph}" />
</Trigger>
<Trigger Property="IsEnabled"
Value="false">
<Setter TargetName="checkBoxBorder"
Property="Background"
Value="{StaticResource OptionMark.Disabled.Background}" />
<Setter TargetName="checkBoxBorder"
Property="BorderBrush"
Value="{StaticResource OptionMark.Disabled.Border}" />
<Setter TargetName="optionMark"
Property="Fill"
Value="{StaticResource OptionMark.Disabled.Glyph}" />
<Setter TargetName="indeterminateMark"
Property="Fill"
Value="{StaticResource OptionMark.Disabled.Glyph}" />
</Trigger>
<Trigger Property="IsPressed"
Value="true">
<Setter TargetName="checkBoxBorder"
Property="Background"
Value="{StaticResource OptionMark.Pressed.Background}" />
<Setter TargetName="checkBoxBorder"
Property="BorderBrush"
Value="{StaticResource OptionMark.Pressed.Border}" />
<Setter TargetName="optionMark"
Property="Fill"
Value="{StaticResource OptionMark.Pressed.Glyph}" />
<Setter TargetName="indeterminateMark"
Property="Fill"
Value="{StaticResource OptionMark.Pressed.Glyph}" />
</Trigger>
<Trigger Property="IsChecked"
Value="true">
<Setter TargetName="optionMark"
Property="Opacity"
Value="1" />
<Setter TargetName="indeterminateMark"
Property="Opacity"
Value="0" />
</Trigger>
<Trigger Property="IsChecked"
Value="{x:Null}">
<Setter TargetName="optionMark"
Property="Opacity"
Value="0" />
<Setter TargetName="indeterminateMark"
Property="Opacity"
Value="1" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
由于 Static、MouseOver、Pressed 和 Disabled 状态有不同的颜色,您可能有从您的背景、边框和前景色中派生出一个小调色板。
为了使用适配的复选框样式,可以通过key显式引用:
<CheckBox Style="{StaticResource CheckBoxStyle}" />
您还可以在其他资源之后定义如下所示的隐式样式,这样该样式将自动应用于包含资源字典范围内的所有 CheckBox
。
<Style TargetType="{x:Type CheckBox}" BasedOn="{StaticResource CheckBoxStyle}"/>
在这种情况下,您不再显式引用样式。
<CheckBox />
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