wpf 选中切换按钮时更改切换按钮的背景颜色
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时间：2020-09-08 22:47:04 来源:igfitidea点击:
Change the background color of a toggle button when the toggle button is checked
提问by vivek TP
I want to change the background color of a toggle button when the toggle button is checked and vice versa.
我想在选中切换按钮时更改切换按钮的背景颜色，反之亦然。
How can I achieve that?
我怎样才能做到这一点？
回答by benba
<ToggleButton Content="toggle">
<ToggleButton.Style>
<Style TargetType="{x:Type ToggleButton}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="ToggleButton">
<Border BorderBrush="{TemplateBinding BorderBrush}"
Background="{TemplateBinding Background}">
<ContentPresenter HorizontalAlignment="Center"
VerticalAlignment="Center"/>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
<Style.Triggers>
<Trigger Property="IsChecked" Value="True">
<Setter Property="Background" Value="Red" />
</Trigger>
</Style.Triggers>
</Style>
</ToggleButton.Style>
</ToggleButton>
Nearly the same as Klaus ones, but using "TemplateBinding" instead of "TargetName". With the TemplateBinding, the ControlTemplate use the BorderBrush and Background from the ToggleButtons DefaultStyle. So the Trigger can set the ToggleButtons Background and with the Border this one will also be shown.
与 Klaus 的几乎相同，但使用“TemplateBinding”而不是“TargetName”。通过 TemplateBinding，ControlTemplate 使用 ToggleButtons DefaultStyle 中的 BorderBrush 和 Background。所以触发器可以设置 ToggleButtons 背景，并且这个边框也将显示。
回答by Bruno
The best simple way to acheive this (and without any Blend and overriding 50 lines of XAML ;) is this way, i.e. using triggers :
实现这一点的最好的简单方法（并且没有任何混合和覆盖 50 行 XAML ；）是这样的，即使用触发器：
<Window x:Class="StackOverflow.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Window1" Height="300" Width="300">
<Grid>
<ToggleButton x:Name="tg" Height="20" Width="80">
<ToggleButton.Style>
<Style TargetType="{x:Type ToggleButton}">
<Setter Property="Background" Value="Green"/>
<Style.Triggers>
<Trigger Property="IsChecked" Value="true">
<Setter Property="Background" Value="Red"/>
</Trigger>
</Style.Triggers>
</Style>
</ToggleButton.Style>
</ToggleButton>
</Grid>
Try this in the first place before going any further and see if it suit your needs
在继续之前先试试这个，看看它是否适合你的需求
回答by Alex Klaus
Check this solution:
检查此解决方案：
<Grid>
<Grid.Resources>
<Style x:Key="ToggleButtonStyle1" TargetType="{x:Type ToggleButton}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ToggleButton}">
<Border HorizontalAlignment="Center" VerticalAlignment="Center" x:Name="border" Padding="5,5,5,5" CornerRadius="5,5,5,5" Background="#FFBFACAC" BorderBrush="#FF000000" BorderThickness="1,1,1,1" SnapsToDevicePixels="True">
<ContentPresenter x:Name="contentPresenter"/>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsChecked" Value="true">
<Setter Property="Background" TargetName="border" Value="#FFC31010"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Grid.Resources>
<ToggleButton Content="ToggleButton" Margin="25" Width="90" Height="45" Style="{StaticResource ToggleButtonStyle1}"/>
</Grid>
回答by Vinny Marquez
Do you have Expression Blend? It can be done easily by right-clicking on the ToggleButton and Select "Edit Template" then "Edit a copy...". From the template go to the "States" Tab and select the "Checked" state. Reset the background color, differing from the base state and your done.
你有表情混合吗？可以通过右键单击 ToggleButton 并选择“编辑模板”然后“编辑副本...”来轻松完成。从模板转到“状态”选项卡并选择“已检查”状态。重置背景颜色，与基本状态和您的完成不同。
See sample:
见示例：
<Window.Resources>
<Style x:Key="ButtonFocusVisual">
<Setter Property="Control.Template">
<Setter.Value>
<ControlTemplate>
<Rectangle Margin="2" SnapsToDevicePixels="true" Stroke="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}" StrokeThickness="1" StrokeDashArray="1 2"/>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<LinearGradientBrush x:Key="ButtonNormalBackground" EndPoint="0,1" StartPoint="0,0">
<GradientStop Color="#F3F3F3" Offset="0"/>
<GradientStop Color="#EBEBEB" Offset="0.5"/>
<GradientStop Color="#DDDDDD" Offset="0.5"/>
<GradientStop Color="#CDCDCD" Offset="1"/>
</LinearGradientBrush>
<SolidColorBrush x:Key="ButtonNormalBorder" Color="#FF707070"/>
<Style x:Key="ToggleButtonStyle" TargetType="{x:Type ToggleButton}">
<Setter Property="FocusVisualStyle" Value="{StaticResource ButtonFocusVisual}"/>
<Setter Property="Background" Value="{StaticResource ButtonNormalBackground}"/>
<Setter Property="BorderBrush" Value="{StaticResource ButtonNormalBorder}"/>
<Setter Property="BorderThickness" Value="1"/>
<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
<Setter Property="HorizontalContentAlignment" Value="Center"/>
<Setter Property="VerticalContentAlignment" Value="Center"/>
<Setter Property="Padding" Value="1"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ToggleButton}">
<Microsoft_Windows_Themes:ButtonChrome x:Name="Chrome" BorderBrush="{TemplateBinding BorderBrush}" RenderMouseOver="{TemplateBinding IsMouseOver}" RenderPressed="{TemplateBinding IsPressed}" RenderDefaulted="{TemplateBinding Button.IsDefaulted}" SnapsToDevicePixels="true" Background="White">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates" ei:ExtendedVisualStateManager.UseFluidLayout="True">
<VisualStateGroup.Transitions>
<VisualTransition GeneratedDuration="0:0:0.5"/>
</VisualStateGroup.Transitions>
</VisualStateGroup>
<VisualStateGroup x:Name="CheckStates">
<VisualState x:Name="Checked">
<Storyboard>
<ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Panel.Background).(SolidColorBrush.Color)" Storyboard.TargetName="Chrome">
<EasingColorKeyFrame KeyTime="0" Value="Red"/>
</ColorAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Unchecked"/>
<VisualState x:Name="Indeterminate"/>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<VisualStateManager.CustomVisualStateManager>
<ei:ExtendedVisualStateManager/>
</VisualStateManager.CustomVisualStateManager>
<ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
</Microsoft_Windows_Themes:ButtonChrome>
<ControlTemplate.Triggers>
<Trigger Property="IsKeyboardFocused" Value="true">
<Setter Property="RenderDefaulted" TargetName="Chrome" Value="true"/>
</Trigger>
<Trigger Property="IsChecked" Value="true">
<Setter Property="RenderPressed" TargetName="Chrome" Value="true"/>
</Trigger>
<Trigger Property="IsEnabled" Value="false">
<Setter Property="Foreground" Value="#ADADAD"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Window.Resources>
<Grid x:Name="LayoutRoot">
<ToggleButton Content="ToggleButton" HorizontalAlignment="Left" Height="36" Margin="116,131,0,0" VerticalAlignment="Top" Width="122" Background="White" Style="{DynamicResource ToggleButtonStyle}"/>
</Grid>
回答by Bruce
An alternative approach is to handle the the Checked and Unchecked events in XAML like this:
另一种方法是处理 XAML 中的 Checked 和 Unchecked 事件，如下所示：
<ToggleButton Checked="HandleChecked" Unchecked="HandleUnchecked" ... />
and in the code-behind:
并在代码隐藏中：
private void HandleChecked(object sender, RoutedEventArgs e)
{
ToggleButton toggle = sender as ToggleButton;
toggle.Background = new SolidColorBrush(Colors.Orange);
}
private void HandleUnchecked(object sender, RoutedEventArgs e)
{
ToggleButton toggle = sender as ToggleButton;
toggle.Background = new SolidColorBrush(Colors.Transparent);
}
回答by Code T
Came across this issue in blend 2019, following will solve the issue.
在 blend 2019 中遇到了这个问题，下面将解决这个问题。
<Style x:Key="ToggleButtonNormalStyle" TargetType="{x:Type ToggleButton}">
<Setter Property="FocusVisualStyle" Value="{StaticResource FocusVisual}"/>
<Setter Property="Background" Value="{StaticResource Button.Static.Background}"/>
<Setter Property="BorderBrush" Value="{StaticResource Button.Static.Border}"/>
<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
<Setter Property="BorderThickness" Value="1"/>
<Setter Property="HorizontalContentAlignment" Value="Center"/>
<Setter Property="VerticalContentAlignment" Value="Center"/>
<Setter Property="Padding" Value="1"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ToggleButton}">
<Border x:Name="border" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="true">
<ContentPresenter x:Name="contentPresenter" Focusable="False" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="Button.IsDefaulted" Value="true">
<Setter Property="BorderBrush" TargetName="border" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/>
</Trigger>
<Trigger Property="IsMouseOver" Value="true">
<Setter Property="Background" TargetName="border" Value="{StaticResource Button.MouseOver.Background}"/>
<Setter Property="BorderBrush" TargetName="border" Value="{StaticResource Button.MouseOver.Border}"/>
</Trigger>
<Trigger Property="IsPressed" Value="true">
<Setter Property="Background" TargetName="border" Value="{StaticResource Button.Pressed.Background}"/>
<Setter Property="BorderBrush" TargetName="border" Value="{StaticResource Button.Pressed.Border}"/>
</Trigger>
<Trigger Property="IsChecked" Value="true">
<Setter Property="Background" TargetName="border" Value="{StaticResource Button.Pressed.Background}"/>
<Setter Property="BorderBrush" TargetName="border" Value="{StaticResource Button.Pressed.Border}"/>
</Trigger>
<Trigger Property="IsEnabled" Value="false">
<Setter Property="Background" TargetName="border" Value="{StaticResource Button.Disabled.Background}"/>
<Setter Property="BorderBrush" TargetName="border" Value="{StaticResource Button.Disabled.Border}"/>
<Setter Property="TextElement.Foreground" TargetName="contentPresenter" Value="{StaticResource Button.Disabled.Foreground}"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
Once default style created adding following code will get the default selection behaviour when button checked and unchecked.
创建默认样式后，添加以下代码将在选中和取消选中按钮时获得默认选择行为。
<Trigger Property="IsChecked" Value="true">
<Setter Property="Background" TargetName="border" Value="{StaticResource Button.Pressed.Background}"/>
<Setter Property="BorderBrush" TargetName="border" Value="{StaticResource Button.Pressed.Border}"/>
</Trigger>
回答by Tom
if ((sender as ToggleButton).IsChecked ?? false)
{
btnArchive.Background = (SolidColorBrush)(new
BrushConverter().ConvertFrom("#b8860b"));
}
