wpf - WPF 工具包：控件模板中的错误？

Question

这是所有 XAML 向导的一个： WPF ToolkitCalendar控件（2009 年 6 月）似乎有一个错误。该错误仅在您修改ControlTemplate日历时才会出现，特别是PART_CalendarItem.

在此消息的末尾，我包含了一个 (Blend 3.0) 窗口的 XAML，该窗口声明了 aCalendar并为其分配了 a ControlTemplate。控件模板是 Calendar 控件模板的未修改副本，我通过编辑 Calendar 控件和 PART_CalendarItem 控件的控件模板副本（在 Blend 中）获得它。

在 XAML 的第 78 行（下面标有注释“EXCEPTION”），VisualStateManager将 a 分配给控件标题TextColor上的鼠标悬停。Month但是，在控件模板中，文本颜色被分配给Grid持有Month按钮的 ，而不是月份按钮本身。当日历被分配未修改的控件模板时，这会在 VS2008 和 Blend 3.0 中导致异常，如下面的 XAML 所示。

我不太清楚如何修改控件模板以消除错误，除非删除鼠标悬停突出显示。我想保留它，但我看不出该TextColor属性的目标是什么。有什么建议么？谢谢你的帮助！

---

XAML 标记

---

<Window
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:Custom="http://schemas.microsoft.com/wpf/2008/toolkit"
    x:Class="WpfApplication1.MainWindow"
    x:Name="Window"
    Title="MainWindow"
    Width="640" Height="480">
    <Window.Resources>
        <Style x:Key="CalendarStyle1" TargetType="{x:Type Custom:Calendar}">
            <Setter Property="Foreground" Value="#FF333333"/>
            <Setter Property="Background">
                <Setter.Value>
                    <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
                        <GradientStop Color="#FFE4EAF0" Offset="0"/>
                        <GradientStop Color="#FFECF0F4" Offset="0.16"/>
                        <GradientStop Color="#FFFCFCFD" Offset="0.16"/>
                        <GradientStop Color="White" Offset="1"/>
                    </LinearGradientBrush>
                </Setter.Value>
            </Setter>
            <Setter Property="BorderBrush">
                <Setter.Value>
                    <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
                        <GradientStop Color="#FFA3AEB9" Offset="0"/>
                        <GradientStop Color="#FF8399A9" Offset="0.375"/>
                        <GradientStop Color="#FF718597" Offset="0.375"/>
                        <GradientStop Color="#FF617584" Offset="1"/>
                    </LinearGradientBrush>
                </Setter.Value>
            </Setter>
            <Setter Property="BorderThickness" Value="1"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type Custom:Calendar}">
                        <StackPanel x:Name="PART_Root" HorizontalAlignment="Center">
                            <Custom:CalendarItem x:Name="PART_CalendarItem" Style="{DynamicResource CalendarItemStyle1}" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}"/>
                        </StackPanel>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
        <Style x:Key="CalendarItemStyle1" TargetType="{x:Type Custom:CalendarItem}">
            <Setter Property="Margin" Value="0,3"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type Custom:CalendarItem}">
                        <ControlTemplate.Resources>
                            <DataTemplate x:Key="DayTitleTemplate">
                                <TextBlock HorizontalAlignment="Center" Margin="0,6" VerticalAlignment="Center" FontFamily="Verdana" FontSize="9.5" FontWeight="Bold" Foreground="#FF333333" Text="{Binding}"/>
                            </DataTemplate>
                        </ControlTemplate.Resources>
                        <Grid x:Name="PART_Root">
                            <Grid.Resources>
                                <SolidColorBrush x:Key="DisabledColor" Color="#A5FFFFFF"/>
                            </Grid.Resources>
                            <VisualStateManager.VisualStateGroups>
                                <VisualStateGroup x:Name="CommonStates">
                                    <VisualState x:Name="Normal"/>
                                    <VisualState x:Name="Disabled">
                                        <Storyboard>
                                            <DoubleAnimation Duration="00:00:00" Storyboard.TargetName="PART_DisabledVisual" Storyboard.TargetProperty="Opacity" To="1"/>
                                        </Storyboard>
                                    </VisualState>
                                </VisualStateGroup>
                            </VisualStateManager.VisualStateGroups>
                            <Border Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" CornerRadius="1">
                                <Border BorderBrush="White" BorderThickness="2" CornerRadius="1">
                                    <Grid>
                                        <Grid.Resources>
                                            <ControlTemplate x:Key="HeaderButtonTemplate" TargetType="{x:Type Button}">
                                                <Grid Cursor="Hand">
                                                    <VisualStateManager.VisualStateGroups>
                                                        <VisualStateGroup x:Name="CommonStates">
                                                            <VisualState x:Name="Normal"/>
                                                            <VisualState x:Name="MouseOver">
                                                                <Storyboard>
                                                                    <ColorAnimation Duration="00:00:00" Storyboard.TargetName="TextColor" Storyboard.TargetProperty="Color" To="#FF73A9D8"/> <!-- EXCEPTION -->
                                                                </Storyboard>
                                                            </VisualState>
                                                            <VisualState x:Name="Disabled">
                                                                <Storyboard>
                                                                    <DoubleAnimation Duration="00:00:00" Storyboard.TargetName="buttonContent" Storyboard.TargetProperty="Opacity" To="0.5"/>
                                                                </Storyboard>
                                                            </VisualState>
                                                        </VisualStateGroup>
                                                    </VisualStateManager.VisualStateGroups>
                                                    <ContentPresenter x:Name="buttonContent" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="1,4,1,9" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" TextElement.Foreground="#FF333333" Content="{TemplateBinding Content}" ContentTemplate="{TemplateBinding ContentTemplate}"/>
                                                </Grid>
                                            </ControlTemplate>
                                            <ControlTemplate x:Key="NextButtonTemplate" TargetType="{x:Type Button}">
                                                <Grid Cursor="Hand">
                                                    <VisualStateManager.VisualStateGroups>
                                                        <VisualStateGroup x:Name="CommonStates">
                                                            <VisualState x:Name="Normal"/>
                                                            <VisualState x:Name="MouseOver">
                                                                <Storyboard>
                                                                    <ColorAnimation Duration="00:00:00" Storyboard.TargetName="TextColor" Storyboard.TargetProperty="Color" To="#FF73A9D8"/>
                                                                </Storyboard>
                                                            </VisualState>
                                                            <VisualState x:Name="Disabled">
                                                                <Storyboard>
                                                                    <DoubleAnimation Duration="00:00:00" Storyboard.TargetName="TextColor" Storyboard.TargetProperty="Opacity" To="0.5"/>
                                                                </Storyboard>
                                                            </VisualState>
                                                        </VisualStateGroup>
                                                    </VisualStateManager.VisualStateGroups>
                                                    <Rectangle Fill="#11E5EBF1" Stretch="Fill" Opacity="1"/>
                                                    <Grid>
                                                        <Path Fill="#FF333333" Stretch="Fill" HorizontalAlignment="Right" Margin="0,-6,14,0" VerticalAlignment="Center" Width="6" Height="10" Data="M282.875,231.875L282.875,240.375 288.625,236z"/>
                                                    </Grid>
                                                </Grid>
                                            </ControlTemplate>
                                            <ControlTemplate x:Key="PreviousButtonTemplate" TargetType="{x:Type Button}">
                                                <Grid Cursor="Hand">
                                                    <VisualStateManager.VisualStateGroups>
                                                        <VisualStateGroup x:Name="CommonStates">
                                                            <VisualState x:Name="Normal"/>
                                                            <VisualState x:Name="MouseOver">
                                                                <Storyboard>
                                                                    <ColorAnimation Duration="00:00:00" Storyboard.TargetName="TextColor" Storyboard.TargetProperty="Color" To="#FF73A9D8"/>
                                                                </Storyboard>
                                                            </VisualState>
                                                            <VisualState x:Name="Disabled">
                                                                <Storyboard>
                                                                    <DoubleAnimation Duration="00:00:00" Storyboard.TargetName="TextColor" Storyboard.TargetProperty="Opacity" To="0.5"/>
                                                                </Storyboard>
                                                            </VisualState>
                                                        </VisualStateGroup>
                                                    </VisualStateManager.VisualStateGroups>
                                                    <Rectangle Fill="#11E5EBF1" Stretch="Fill" Opacity="1"/>
                                                    <Grid>
                                                        <Path Fill="#FF333333" Stretch="Fill" HorizontalAlignment="Left" Margin="14,-6,0,0" VerticalAlignment="Center" Width="6" Height="10" Data="M288.75,232.25L288.75,240.625 283,236.625z"/>
                                                    </Grid>
                                                </Grid>
                                            </ControlTemplate>
                                        </Grid.Resources>
                                        <Grid.ColumnDefinitions>
                                            <ColumnDefinition Width="Auto"/>
                                            <ColumnDefinition Width="Auto"/>
                                            <ColumnDefinition Width="Auto"/>
                                        </Grid.ColumnDefinitions>
                                        <Grid.RowDefinitions>
                                            <RowDefinition Height="Auto"/>
                                            <RowDefinition Height="*"/>
                                        </Grid.RowDefinitions>
                                        <Button x:Name="PART_PreviousButton" HorizontalAlignment="Left" Width="28" Height="20" Focusable="False" Grid.Column="0" Grid.Row="0">
                                            <Button.Template>
                                                <ControlTemplate TargetType="{x:Type Button}">
                                                    <Grid Cursor="Hand">
                                                        <VisualStateManager.VisualStateGroups>
                                                            <VisualStateGroup x:Name="CommonStates">
                                                                <VisualState x:Name="Normal"/>
                                                                <VisualState x:Name="MouseOver">
                                                                    <Storyboard>
                                                                        <ColorAnimation Duration="00:00:00" Storyboard.TargetName="TextColor" Storyboard.TargetProperty="Color" To="#FF73A9D8"/>
                                                                    </Storyboard>
                                                                </VisualState>
                                                                <VisualState x:Name="Disabled">
                                                                    <Storyboard>
                                                                        <DoubleAnimation Duration="00:00:00" Storyboard.TargetName="TextColor" Storyboard.TargetProperty="Opacity" To="0.5"/>
                                                                    </Storyboard>
                                                                </VisualState>
                                                            </VisualStateGroup>
                                                        </VisualStateManager.VisualStateGroups>
                                                        <Rectangle Fill="#11E5EBF1" Stretch="Fill" Opacity="1"/>
                                                        <Grid>
                                                            <Path Fill="#FF333333" Stretch="Fill" HorizontalAlignment="Left" Margin="14,-6,0,0" VerticalAlignment="Center" Width="6" Height="10" Data="M288.75,232.25L288.75,240.625 283,236.625z"/>
                                                        </Grid>
                                                    </Grid>
                                                </ControlTemplate>
                                            </Button.Template>
                                        </Button>
                                        <Button x:Name="PART_HeaderButton" HorizontalAlignment="Center" VerticalAlignment="Center" FontSize="10.5" FontWeight="Bold" Focusable="False" Grid.Column="1" Grid.Row="0" Template="{DynamicResource ButtonControlTemplate1}"/>
                                        <Button x:Name="PART_NextButton" HorizontalAlignment="Right" Width="28" Height="20" Focusable="False" Grid.Column="2" Grid.Row="0">
                                            <Button.Template>
                                                <ControlTemplate TargetType="{x:Type Button}">
                                                    <Grid Cursor="Hand">
                                                        <VisualStateManager.VisualStateGroups>
                                                            <VisualStateGroup x:Name="CommonStates">
                                                                <VisualState x:Name="Normal"/>
                                                                <VisualState x:Name="MouseOver">
                                                                    <Storyboard>
                                                                        <ColorAnimation Duration="00:00:00" Storyboard.TargetName="TextColor" Storyboard.TargetProperty="Color" To="#FF73A9D8"/>
                                                                    </Storyboard>
                                                                </VisualState>
                                                                <VisualState x:Name="Disabled">
                                                                    <Storyboard>
                                                                        <DoubleAnimation Duration="00:00:00" Storyboard.TargetName="TextColor" Storyboard.TargetProperty="Opacity" To="0.5"/>
                                                                    </Storyboard>
                                                                </VisualState>
                                                            </VisualStateGroup>
                                                        </VisualStateManager.VisualStateGroups>
                                                        <Rectangle Fill="#11E5EBF1" Stretch="Fill" Opacity="1"/>
                                                        <Grid>
                                                            <Path Fill="#FF333333" Stretch="Fill" HorizontalAlignment="Right" Margin="0,-6,14,0" VerticalAlignment="Center" Width="6" Height="10" Data="M282.875,231.875L282.875,240.375 288.625,236z"/>
                                                        </Grid>
                                                    </Grid>
                                                </ControlTemplate>
                                            </Button.Template>
                                        </Button>
                                        <Grid x:Name="PART_MonthView" Margin="6,-1,6,6" Visibility="Visible" Grid.ColumnSpan="3" Grid.Row="1">
                                            <Grid.ColumnDefinitions>
                                                <ColumnDefinition Width="Auto"/>
                                                <ColumnDefinition Width="Auto"/>
                                                <ColumnDefinition Width="Auto"/>
                                                <ColumnDefinition Width="Auto"/>
                                                <ColumnDefinition Width="Auto"/>
                                                <ColumnDefinition Width="Auto"/>
                                                <ColumnDefinition Width="Auto"/>
                                            </Grid.ColumnDefinitions>
                                            <Grid.RowDefinitions>
                                                <RowDefinition Height="Auto"/>
                                                <RowDefinition Height="Auto"/>
                                                <RowDefinition Height="Auto"/>
                                                <RowDefinition Height="Auto"/>
                                                <RowDefinition Height="Auto"/>
                                                <RowDefinition Height="Auto"/>
                                                <RowDefinition Height="Auto"/>
                                            </Grid.RowDefinitions>
                                        </Grid>
                                        <Grid x:Name="PART_YearView" Margin="6,-3,7,6" Visibility="Hidden" Grid.ColumnSpan="3" Grid.Row="1">
                                            <Grid.ColumnDefinitions>
                                                <ColumnDefinition Width="Auto"/>
                                                <ColumnDefinition Width="Auto"/>
                                                <ColumnDefinition Width="Auto"/>
                                                <ColumnDefinition Width="Auto"/>
                                            </Grid.ColumnDefinitions>
                                            <Grid.RowDefinitions>
                                                <RowDefinition Height="Auto"/>
                                                <RowDefinition Height="Auto"/>
                                                <RowDefinition Height="Auto"/>
                                            </Grid.RowDefinitions>
                                        </Grid>
                                    </Grid>
                                </Border>
                            </Border>
                            <Rectangle x:Name="PART_DisabledVisual" Fill="#A5FFFFFF" Stretch="Fill" Stroke="#A5FFFFFF" StrokeThickness="1" RadiusX="2" RadiusY="2" Opacity="0" Visibility="Collapsed"/>
                        </Grid>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsEnabled" Value="False">
                                <Setter Property="Visibility" TargetName="PART_DisabledVisual" Value="Visible"/>
                            </Trigger>
                            <DataTrigger Binding="{Binding DisplayMode, RelativeSource={RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type Custom:Calendar}}}" Value="Year">
                                <Setter Property="Visibility" TargetName="PART_MonthView" Value="Hidden"/>
                                <Setter Property="Visibility" TargetName="PART_YearView" Value="Visible"/>
                            </DataTrigger>
                            <DataTrigger Binding="{Binding DisplayMode, RelativeSource={RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type Custom:Calendar}}}" Value="Decade">
                                <Setter Property="Visibility" TargetName="PART_MonthView" Value="Hidden"/>
                                <Setter Property="Visibility" TargetName="PART_YearView" Value="Visible"/>
                            </DataTrigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
        <ControlTemplate x:Key="ButtonControlTemplate1" TargetType="{x:Type Button}">
            <Grid Cursor="Hand">
                <VisualStateManager.VisualStateGroups>
                    <VisualStateGroup x:Name="CommonStates">
                        <VisualState x:Name="Normal"/>
                        <VisualState x:Name="MouseOver">
                            <Storyboard>
                                <ColorAnimation Duration="00:00:00" Storyboard.TargetName="TextColor" Storyboard.TargetProperty="Color" To="#FF73A9D8"/>
                            </Storyboard>
                        </VisualState>
                        <VisualState x:Name="Disabled">
                            <Storyboard>
                                <DoubleAnimation Duration="00:00:00" Storyboard.TargetName="buttonContent" Storyboard.TargetProperty="Opacity" To="0.5"/>
                            </Storyboard>
                        </VisualState>
                    </VisualStateGroup>
                </VisualStateManager.VisualStateGroups>
                <ContentPresenter x:Name="buttonContent" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="1,4,1,9" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" TextElement.Foreground="#FF333333" Content="{TemplateBinding Content}" ContentTemplate="{TemplateBinding ContentTemplate}"/>
            </Grid>
        </ControlTemplate>
    </Window.Resources>

    <Grid x:Name="LayoutRoot">
        <Custom:Calendar HorizontalAlignment="Left" VerticalAlignment="Top" Style="{DynamicResource CalendarStyle1}"/>
    </Grid>
</Window>

Answer 1

我们只是在工作中经历了同样的事情。这似乎不是 WPFToolkit 中的错误，而是 Expression Blend 出现问题，因为制作原始模板的人有点棘手。

首先，去获取默认模板。如果您下载源代码，它们将位于 Toolkit-Release/Calendar/Themes/Generic.xaml 中。可以在 WPF Toolkit CodePlex 站点上找到源代码。 http://wpf.codeplex.com/

CalendarItemTemplate 有这种设置：

<Style TargetType="primitives:CalendarItem">
...
<Setter Property="Template">
   <Setter.Value>
      <ControlTemplate TargetType="primitives:CalendarItem">
          ...
          <Grid Name="PART_Root" >
              <Border 
                  ...  
                   <Border CornerRadius="1" BorderBrush="#FFFFFFFF" BorderThickness="2">
                       <Grid>
                           <Grid.Resources>
                               <ControlTemplate x:Key="HeaderButtonTemplate" TargetType="Button">
                           ...
                            <Button x:Name="PART_HeaderButton" Template="{StaticResource HeaderButtonTemplate}"    
                           ...

这是原始的 HeaderButtonTemplate：

<ControlTemplate x:Key="HeaderButtonTemplate" TargetType="Button">
    <Grid Cursor="Hand">
        <vsm:VisualStateManager.VisualStateGroups>
            <vsm:VisualStateGroup x:Name="CommonStates">
                <vsm:VisualState x:Name="Normal" />
                <vsm:VisualState x:Name="MouseOver">
                    <Storyboard>
                        <ColorAnimation Storyboard.TargetName="TextColor" Storyboard.TargetProperty="Color" To="#FF73A9D8" Duration="0" />
                    </Storyboard>
                </vsm:VisualState>
                <vsm:VisualState x:Name="Disabled">
                    <Storyboard>
                        <DoubleAnimation Storyboard.TargetName="buttonContent" Storyboard.TargetProperty="Opacity" To=".5" Duration="0" />
                    </Storyboard>
                </vsm:VisualState>
            </vsm:VisualStateGroup>
        </vsm:VisualStateManager.VisualStateGroups>
        <ContentPresenter
          x:Name="buttonContent"
          Content="{TemplateBinding Content}"
          ContentTemplate="{TemplateBinding ContentTemplate}"
          Margin="1,4,1,9"
          HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
          VerticalAlignment="{TemplateBinding VerticalContentAlignment}">
             <TextElement.Foreground>
                <SolidColorBrush x:Name="TextColor" Color="#FF333333"/>
            </TextElement.Foreground>
        </ContentPresenter>
    </Grid>
</ControlTemplate>

我们关心的部分在这里：

<ContentPresenter
  x:Name="buttonContent"
  Content="{TemplateBinding Content}"
  ContentTemplate="{TemplateBinding ContentTemplate}"
  Margin="1,4,1,9"
  HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
  VerticalAlignment="{TemplateBinding VerticalContentAlignment}">
     <TextElement.Foreground>
        <SolidColorBrush x:Name="TextColor" Color="#FF333333"/>
    </TextElement.Foreground>
</ContentPresenter>

请注意实例化 SolidColorBrush 的 TextElement 附加属性设置器。这是故事板所针对的命名画笔。

当你在 Blend 中做“Edit Copy of Template”这件事时，它会内联一些模板，这样 Header 按钮模板将被直接设置，而不是包含在网格资源中。

<Button x:Name="PART_HeaderButton" HorizontalAlignment="Center" VerticalAlignment="Center" FontSize="10.5" FontWeight="Bold" Focusable="False" Grid.Column="1" Grid.Row="0">
 <Button.Template>
  <ControlTemplate TargetType="{x:Type Button}">
   <Grid Cursor="Hand">

我不知道为什么会这样，当我编辑模板的副本时，我期待模板的实际副本。我想我理解有时从外部引用模板，但在这种情况下它不是 - 即使是完整复制它并将其添加到样式/控件模板资源中似乎更谨慎。更糟糕的是，作为重新处理的一部分，Blend 修改了模板中的 contentpresenter 定义，将其变为：

<ContentPresenter x:Name="buttonContent" 
    HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" 
    Margin="1,4,1,9" 
    VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
    ContentTemplate="{TemplateBinding ContentTemplate}"
    Content="{TemplateBinding Content}"
    TextElement.Foreground="#FF333333"  />

因此，换句话说，不再命名画笔，并且故事板目标现在不正确。

幸运的是，修复很容易 - 使用原始模板作为您的起点。麻烦的是，blend 不喜欢它并且不会显示，因为由于某种原因，它只能将 contentpresenter 上的这个附加属性设置为开始标记的一部分，而不是在扩展模式或任何它被调用的模式下。当然，很可能以另一种更可混合的方式复制功能。

编辑：这是破解模板以使其可混合的快速方法。它确实是一种黑客攻击，尽管大多是无害的。我不提倡正常做这样的事情，但它似乎工作正常。

<ControlTemplate x:Key="HeaderButtonTemplate" TargetType="Button">
    <Grid Cursor="Hand">
        <vsm:VisualStateManager.VisualStateGroups>
            <vsm:VisualStateGroup x:Name="CommonStates">
                <vsm:VisualState x:Name="Normal" />
                <vsm:VisualState x:Name="MouseOver">
                    <Storyboard>
                        <ColorAnimation Storyboard.TargetName="TextColor" Storyboard.TargetProperty="Color" To="#FF73A9D8" Duration="0" />
                    </Storyboard>
                </vsm:VisualState>
                <vsm:VisualState x:Name="Disabled">
                    <Storyboard>
                        <DoubleAnimation Storyboard.TargetName="buttonContent" Storyboard.TargetProperty="Opacity" To=".5" Duration="0" />
                    </Storyboard>
                </vsm:VisualState>
            </vsm:VisualStateGroup>
        </vsm:VisualStateManager.VisualStateGroups>
        <!-- A dummy Rectangle that is essentially a container for the TextColor brush -->
        <Rectangle Width="0" Height="0">
            <Rectangle.Fill>
                <SolidColorBrush x:Name="TextColor" Color="#FF333333"/>
            </Rectangle.Fill>   
        </Rectangle>
        <ContentPresenter
                x:Name="buttonContent"
                Content="{TemplateBinding Content}"
                ContentTemplate="{TemplateBinding ContentTemplate}"
                Margin="1,4,1,9"
                HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
                TextElement.Foreground="{Binding ElementName=TextColor}">
        </ContentPresenter>
    </Grid>
</ControlTemplate>

它的本质是将画笔作为另一个对象的一部分容纳 - 如果太小而无法显示，技术上可见，然后在 contentpresenter 上进行绑定 - 因为它是在开始标签中完成的，Blend 不会抱怨。是的，我知道，这种气味，但它是我能看到的对原始模板的最小重写以使其工作。