WPF ToggleButton 禁用时的显示状态

WPF ToggleButton display state when disabled

我在 WPF 窗体上有切换按钮,用于显示布尔值。

其中一些按钮应该是 "read only",所以我将它们设置为 IsEnabled = false。

但是,尽管如此,它们仍应显示其 IsChecked 状态,但它们都显示为未选中

如您所见,所有残疾人似乎都未选中,而有些应该看起来已选中。

我正在通过代码创建切换按钮,但 "static" 切换按钮也存在问题

ToggleButton tb = new ToggleButton();

tb.Name = "btnRegisterR" + register + "P" + pos;
tb.Content = tuple.Item1";
tb.IsChecked = rnd.NextDouble() >= 0.5;
tb.IsEnabled = tuple.Item2;
tb.VerticalAlignment = VerticalAlignment.Top;
tb.HorizontalAlignment = HorizontalAlignment.Left;
tb.Height = 25;
tb.Width = 87;
tb.Margin = new Thickness(xPos, yPos, 0, 0);

registerGrid.Children.Add(tb);

Edit :我认为这不是链接问题的重复,因为我并不想禁用按钮上的交互,而是希望它看起来像禁用但继续显示其状态。链接的问题只回答了功能部分,而我主要问的是样式部分。

例如,在 Winforms 中,有一个复选框的外观按钮,它允许 2 个单独的显示状态(默认情况下 unselected/unchecked 时为灰色按钮,selected/checked 时为浅蓝色按钮) .

最重要的是,该控件可以是 enabled/disabled,它在禁用状态下会使整个控件变白,但在启用或禁用时仍会显示不同。

编辑 2:为了进一步说明,这是我在旧的 Winform 应用程序中使用的,其中复选框的外观设置设置为 "button"

您可以清楚地区分启用或禁用的那些,同时仍然能够看到输入的状态(选中或未选中)。我只是想在 WPF 中复制这种显示行为,暂时没有成功,因为 "Checked|Disabled" 和 "Unchecked|Disabled" 看起来与 WPF 切换按钮完全一样。

编辑 3

我最终在风格中使用了多重触发来让它发挥作用。不知道这是否是最好的解决方案,但至少,它给出了与 winform

中相同的结果

<Style x:Key="FocusVisual">
    <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>
<SolidColorBrush x:Key="Button.Static.Background" Color="#FFDDDDDD"/>
<SolidColorBrush x:Key="Button.Static.Border" Color="#FF707070"/>
<SolidColorBrush x:Key="Button.MouseOver.Background" Color="#FFBEE6FD"/>
<SolidColorBrush x:Key="Button.MouseOver.Border" Color="#FF3C7FB1"/>
<SolidColorBrush x:Key="Button.Pressed.Background" Color="#FFC4E5F6"/>
<SolidColorBrush x:Key="Button.Pressed.Border" Color="#FF2C628B"/>
<SolidColorBrush x:Key="Button.Disabled.Background" Color="#FFF4F4F4"/>
<SolidColorBrush x:Key="Button.Disabled.Border" Color="#FFADB2B5"/>
<SolidColorBrush x:Key="Button.Disabled.Foreground" Color="#FF838383"/>
<Style x:Key="disabledAndCheckedButton" 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="IsChecked" Value="true">
                        <Setter Property="Background" TargetName="border" Value="{StaticResource Button.Pressed.Background}"/>
                        <Setter Property="BorderBrush" TargetName="border" Value="{StaticResource Button.Pressed.Border}"/>
                    </Trigger>
                    <MultiTrigger>
                        <MultiTrigger.Conditions>
                            <Condition Property="IsChecked" Value="False" />
                            <Condition Property="IsEnabled" Value="False" />
                        </MultiTrigger.Conditions>
                        <MultiTrigger.Setters>
                            <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}"/>
                        </MultiTrigger.Setters>
                    </MultiTrigger>
                    <MultiTrigger>
                        <MultiTrigger.Conditions>
                            <Condition Property="IsChecked" Value="True" />
                            <Condition Property="IsEnabled" Value="False" />
                        </MultiTrigger.Conditions>
                        <MultiTrigger.Setters>
                            <Setter Property="TextElement.Foreground" TargetName="contentPresenter" Value="{StaticResource Button.Disabled.Foreground}"/>
                        </MultiTrigger.Setters>
                    </MultiTrigger>
                </ControlTemplate.Triggers>
            </ControlTemplate>
        </Setter.Value>
    </Setter>
</Style>

我刚刚尝试解决您的问题,您可以通过设置 tb.IsHitTestVisible=false; 来解决,但保留 IsEnabled=true.
这将允许 Button 保留它的视觉状态,但它会禁用与它的任何交互。
将其视为 IsReadOnly.
编辑:
经过长时间的思考,我继续使用 Blend 为您的按钮创建样式:

<Style x:Key="FocusVisual">
        <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>
    <SolidColorBrush x:Key="Button.Static.Background" Color="#FFDDDDDD"/>
    <SolidColorBrush x:Key="Button.Static.Border" Color="#FF707070"/>
    <SolidColorBrush x:Key="Button.MouseOver.Background" Color="#FFBEE6FD"/>
    <SolidColorBrush x:Key="Button.MouseOver.Border" Color="#FF3C7FB1"/>
    <SolidColorBrush x:Key="Button.Pressed.Background" Color="#FFC4E5F6"/>
    <SolidColorBrush x:Key="Button.Pressed.Border" Color="#FF2C628B"/>
    <SolidColorBrush x:Key="Button.Disabled.Background" Color="#FFF4F4F4"/>
    <SolidColorBrush x:Key="Button.Disabled.Border" Color="#FFADB2B5"/>
    <SolidColorBrush x:Key="Button.Disabled.Foreground" Color="#FF838383"/>
    <Style x:Key="disabledAndCheckedButton" 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="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>
    </Style>  

这段代码将进入您的 App.xaml 文件,您可以在应用的任何地方引用它。
您将按如下方式使用此片段:

<ToggleButton Content="{Binding .}" Style="{StaticResource disabledAndCheckedButton}"/>  

如果您想保留代码隐藏

(不酷兄弟)

然后使用此代码段以编程方式生成按钮:

Style style = this.FindResource("disabledAndCheckedButton") as Style;
tb.Style = style;  

如果您需要任何帮助,请告诉我们。