默认情况下，在 UI 呈现的应用程序中实现 ExpanderView，并且 expanderView 控件应用了这个左边距，某种缩进。默认情况下是这样的，这真的很愚蠢。
有没有办法摆脱那个边距，只是控制完全向左浮动？
另外，如何向扩展器矩形添加一些文本？没有这样的属性可用。
user818700
问问题
1311 次
2 回答
13
您只需要编辑扩展器的控制模板。如果您有 Expression Blend，它会变得快速而简单。您只需右键单击画板上的扩展器，选择“编辑模板”，然后选择编辑当前模板或您可以制作的副本，并可能将其放入单独的资源字典中。这是一个示例模板。注意到 itemsCanvas 底部的 11,0,0,0 Margin 了吗？您可以使用相同的方法来编辑几乎任何控件模板。:)
<Style x:Key="ExpanderViewStyle1" TargetType="toolkit:ExpanderView">
<Setter Property="HorizontalAlignment" Value="Stretch"/>
<Setter Property="HorizontalContentAlignment" Value="Stretch"/>
<Setter Property="ItemsPanel">
<Setter.Value>
<ItemsPanelTemplate>
<StackPanel/>
</ItemsPanelTemplate>
</Setter.Value>
</Setter>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="toolkit:ExpanderView">
<Grid>
<Grid.Resources>
<QuadraticEase x:Key="QuadraticEaseOut" EasingMode="EaseOut"/>
<QuadraticEase x:Key="QuadraticEaseInOut" EasingMode="EaseInOut"/>
</Grid.Resources>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="41"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="ExpansionStates">
<VisualStateGroup.Transitions>
<VisualTransition From="Collapsed" GeneratedDuration="0:0:0.15" To="Expanded">
<Storyboard>
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(FrameworkElement.Height)" Storyboard.TargetName="ItemsCanvas">
<EasingDoubleKeyFrame EasingFunction="{StaticResource QuadraticEaseOut}" KeyTime="0:0:0.00" Value="0"/>
<EasingDoubleKeyFrame x:Name="CollapsedToExpandedKeyFrame" EasingFunction="{StaticResource QuadraticEaseOut}" KeyTime="0:0:0.15" Value="1"/>
</DoubleAnimationUsingKeyFrames>
<DoubleAnimation Duration="0" To="1.0" Storyboard.TargetProperty="(UIElement.Opacity)" Storyboard.TargetName="ItemsCanvas"/>
</Storyboard>
</VisualTransition>
<VisualTransition From="Expanded" GeneratedDuration="0:0:0.15" To="Collapsed">
<Storyboard>
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(FrameworkElement.Height)" Storyboard.TargetName="ItemsCanvas">
<EasingDoubleKeyFrame x:Name="ExpandedToCollapsedKeyFrame" EasingFunction="{StaticResource QuadraticEaseInOut}" KeyTime="0:0:0.00" Value="1"/>
<EasingDoubleKeyFrame EasingFunction="{StaticResource QuadraticEaseInOut}" KeyTime="0:0:0.15" Value="0"/>
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Opacity)" Storyboard.TargetName="ItemsCanvas">
<EasingDoubleKeyFrame EasingFunction="{StaticResource QuadraticEaseInOut}" KeyTime="0:0:0.00" Value="1.0"/>
<EasingDoubleKeyFrame EasingFunction="{StaticResource QuadraticEaseInOut}" KeyTime="0:0:0.15" Value="0.0"/>
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.TranslateY)" Storyboard.TargetName="ItemsCanvas">
<EasingDoubleKeyFrame EasingFunction="{StaticResource QuadraticEaseInOut}" KeyTime="0:0:0.00" Value="0.0"/>
<EasingDoubleKeyFrame EasingFunction="{StaticResource QuadraticEaseInOut}" KeyTime="0:0:0.15" Value="-35"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</VisualTransition>
</VisualStateGroup.Transitions>
<VisualState x:Name="Collapsed"/>
<VisualState x:Name="Expanded">
<Storyboard>
<DoubleAnimation Duration="0" Storyboard.TargetProperty="(FrameworkElement.Height)" Storyboard.TargetName="ItemsCanvas"/>
<DoubleAnimation Duration="0" To="1.0" Storyboard.TargetProperty="(UIElement.Opacity)" Storyboard.TargetName="ItemsCanvas"/>
</Storyboard>
</VisualState>
</VisualStateGroup>
<VisualStateGroup x:Name="ExpandabilityStates">
<VisualState x:Name="Expandable"/>
<VisualState x:Name="NonExpandable">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)" Storyboard.TargetName="ExpandableContent">
<DiscreteObjectKeyFrame KeyTime="0:0:0.0" Value="Collapsed"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)" Storyboard.TargetName="Line">
<DiscreteObjectKeyFrame KeyTime="0:0:0.0" Value="Collapsed"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)" Storyboard.TargetName="NonExpandableContent">
<DiscreteObjectKeyFrame KeyTime="0:0:0.0" Value="Visible"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<ListBoxItem x:Name="ExpandableContent" Grid.ColumnSpan="2" Grid.Column="0" toolkit:TiltEffect.IsTiltEnabled="True" Grid.Row="0" Grid.RowSpan="2">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="41"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<ContentControl x:Name="Header" Grid.ColumnSpan="2" ContentTemplate="{TemplateBinding HeaderTemplate}" Content="{TemplateBinding Header}" Grid.Column="0" HorizontalAlignment="Stretch" HorizontalContentAlignment="Stretch" Grid.Row="0"/>
<ContentControl x:Name="Expander" ContentTemplate="{TemplateBinding ExpanderTemplate}" Content="{TemplateBinding Expander}" Grid.Column="1" HorizontalAlignment="Stretch" HorizontalContentAlignment="Stretch" Margin="11,0,0,0" Grid.Row="1"/>
<Grid x:Name="ExpanderPanel" Background="Transparent" Grid.ColumnSpan="2" Grid.Column="0" Grid.Row="0" Grid.RowSpan="2"/>
</Grid>
</ListBoxItem>
<Line x:Name="Line" Grid.Column="1" HorizontalAlignment="Left" Grid.Row="1" Grid.RowSpan="2" Stretch="Fill" Stroke="{StaticResource PhoneSubtleBrush}" StrokeThickness="3" X1="0" X2="0" Y1="0" Y2="1"/>
<ContentControl x:Name="NonExpandableContent" Grid.ColumnSpan="2" ContentTemplate="{TemplateBinding NonExpandableHeaderTemplate}" Content="{TemplateBinding NonExpandableHeader}" Grid.Column="0" HorizontalAlignment="Stretch" HorizontalContentAlignment="Stretch" Grid.Row="0" Grid.RowSpan="2" Visibility="Collapsed"/>
<Canvas x:Name="ItemsCanvas" Grid.Column="1" Margin="11,0,0,0" Opacity="0.0" Grid.Row="2">
<Canvas.RenderTransform>
<CompositeTransform TranslateY="0.0"/>
</Canvas.RenderTransform>
<ItemsPresenter x:Name="Presenter"/>
</Canvas>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
无论哪种方式，一旦您找到控制模板，它就会快速而轻松。希望这可以帮助！
于 2012-10-17T14:45:18.443 回答
0
为时已晚，但也许它会帮助某人。我以这种样式删除了该边距。我从默认网格中删除了列。此外，我将其创建为 Wrap 面板。可以在 ItemsPanelTemplate 中修改。
<Style x:Key="ExpanderViewStyle" TargetType="toolkit:ExpanderView">
<Setter Property="HorizontalAlignment" Value="Stretch"/>
<Setter Property="HorizontalContentAlignment" Value="Stretch"/>
<Setter Property="ItemsPanel">
<Setter.Value>
<ItemsPanelTemplate>
<toolkit:WrapPanel/>
</ItemsPanelTemplate>
</Setter.Value>
</Setter>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="toolkit:ExpanderView">
<Grid>
<Grid.Resources>
<QuadraticEase x:Key="QuadraticEaseOut" EasingMode="EaseOut"/>
<QuadraticEase x:Key="QuadraticEaseInOut" EasingMode="EaseInOut"/>
</Grid.Resources>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="ExpansionStates">
<VisualStateGroup.Transitions>
<VisualTransition From="Collapsed" GeneratedDuration="0:0:0.15" To="Expanded">
<Storyboard>
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(FrameworkElement.Height)" Storyboard.TargetName="ItemsCanvas">
<EasingDoubleKeyFrame EasingFunction="{StaticResource QuadraticEaseOut}" KeyTime="0:0:0.00" Value="0"/>
<EasingDoubleKeyFrame x:Name="CollapsedToExpandedKeyFrame" EasingFunction="{StaticResource QuadraticEaseOut}" KeyTime="0:0:0.15" Value="1"/>
</DoubleAnimationUsingKeyFrames>
<DoubleAnimation Duration="0" To="1.0" Storyboard.TargetProperty="(UIElement.Opacity)" Storyboard.TargetName="ItemsCanvas"/>
</Storyboard>
</VisualTransition>
<VisualTransition From="Expanded" GeneratedDuration="0:0:0.15" To="Collapsed">
<Storyboard>
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(FrameworkElement.Height)" Storyboard.TargetName="ItemsCanvas">
<EasingDoubleKeyFrame x:Name="ExpandedToCollapsedKeyFrame" EasingFunction="{StaticResource QuadraticEaseInOut}" KeyTime="0:0:0.00" Value="1"/>
<EasingDoubleKeyFrame EasingFunction="{StaticResource QuadraticEaseInOut}" KeyTime="0:0:0.15" Value="0"/>
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Opacity)" Storyboard.TargetName="ItemsCanvas">
<EasingDoubleKeyFrame EasingFunction="{StaticResource QuadraticEaseInOut}" KeyTime="0:0:0.00" Value="1.0"/>
<EasingDoubleKeyFrame EasingFunction="{StaticResource QuadraticEaseInOut}" KeyTime="0:0:0.15" Value="0.0"/>
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.TranslateY)" Storyboard.TargetName="ItemsCanvas">
<EasingDoubleKeyFrame EasingFunction="{StaticResource QuadraticEaseInOut}" KeyTime="0:0:0.00" Value="0.0"/>
<EasingDoubleKeyFrame EasingFunction="{StaticResource QuadraticEaseInOut}" KeyTime="0:0:0.15" Value="-35"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</VisualTransition>
</VisualStateGroup.Transitions>
<VisualState x:Name="Collapsed">
<Storyboard>
<DoubleAnimation Duration="0" To="0" Storyboard.TargetProperty="(FrameworkElement.Height)" Storyboard.TargetName="ItemsCanvas"/>
<DoubleAnimation Duration="0" To="0.0" Storyboard.TargetProperty="(UIElement.Opacity)" Storyboard.TargetName="ItemsCanvas"/>
</Storyboard>
</VisualState>
<VisualState x:Name="Expanded">
<Storyboard>
<DoubleAnimation Duration="0" Storyboard.TargetProperty="(FrameworkElement.Height)" Storyboard.TargetName="ItemsCanvas"/>
<DoubleAnimation Duration="0" To="1.0" Storyboard.TargetProperty="(UIElement.Opacity)" Storyboard.TargetName="ItemsCanvas"/>
</Storyboard>
</VisualState>
</VisualStateGroup>
<VisualStateGroup x:Name="ExpandabilityStates">
<VisualState x:Name="Expandable"/>
<VisualState x:Name="NonExpandable">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)" Storyboard.TargetName="ExpandableContent">
<DiscreteObjectKeyFrame KeyTime="0:0:0.0" Value="Collapsed"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)" Storyboard.TargetName="NonExpandableContent">
<DiscreteObjectKeyFrame KeyTime="0:0:0.0" Value="Visible"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<ListBoxItem x:Name="ExpandableContent" toolkit:TiltEffect.IsTiltEnabled="True" Grid.Row="0" Grid.RowSpan="2">
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<ContentControl x:Name="Header" ContentTemplate="{TemplateBinding HeaderTemplate}" Content="{TemplateBinding Header}" HorizontalAlignment="Stretch" HorizontalContentAlignment="Stretch" Grid.Row="0"/>
<ContentControl x:Name="Expander" ContentTemplate="{TemplateBinding ExpanderTemplate}" Content="{TemplateBinding Expander}" HorizontalAlignment="Stretch" HorizontalContentAlignment="Stretch" Grid.Row="1"/>
<Grid x:Name="ExpanderPanel" Background="Transparent" Grid.Row="0" Grid.RowSpan="2"/>
</Grid>
</ListBoxItem>
<ContentControl x:Name="NonExpandableContent" ContentTemplate="{TemplateBinding NonExpandableHeaderTemplate}" Content="{TemplateBinding NonExpandableHeader}" HorizontalAlignment="Stretch" HorizontalContentAlignment="Stretch" Grid.Row="0" Grid.RowSpan="2" Visibility="Collapsed"/>
<Canvas x:Name="ItemsCanvas" Opacity="0.0" Grid.Row="2">
<Canvas.RenderTransform>
<CompositeTransform TranslateY="0.0"/>
</Canvas.RenderTransform>
<ItemsPresenter x:Name="Presenter"/>
</Canvas>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
于 2015-11-05T15:56:00.910 回答