Question

我发现有一些方法可以禁用ListView中的选择，但我还没有看到TreeView或Grid的任何内容。

我的表格很基本，看起来像这样：

问题是有人可以点击任何一个标签突然看起来像这样：

如何禁用此行为？

<TreeView Focusable="False">
    <TreeView.ItemContainerStyle>
        <Style TargetType="{x:Type TreeViewItem}">
            <Setter Property="Focusable" Value="False"/>
        </Style>
    </TreeView.ItemContainerStyle>
    <TreeViewItem Focusable="False">
        <TreeViewItem.Header>Group Header</TreeViewItem.Header>
        <TreeViewItem.IsExpanded>true</TreeViewItem.IsExpanded>
        <Grid Focusable="False">
            <Grid.RowDefinitions>
                <RowDefinition></RowDefinition>
                <RowDefinition></RowDefinition>
                <RowDefinition></RowDefinition>
                <RowDefinition></RowDefinition>
                <RowDefinition></RowDefinition>
            </Grid.RowDefinitions>
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="Auto"></ColumnDefinition>
                <ColumnDefinition Width="Auto"></ColumnDefinition>
            </Grid.ColumnDefinitions>
            <Label Content="Message ID">
                <Grid.Row>0</Grid.Row>
                <Grid.Column>0</Grid.Column>
            </Label>
            <TextBox Text="{Binding Path=GroupHeader.MessageId}" HorizontalAlignment="Stretch">
                <Grid.Column>1</Grid.Column>
                <Grid.Row>0</Grid.Row>
            </TextBox>
            <Label Content="Creation Date">
                <Grid.Row>1</Grid.Row>
                <Grid.Column>0</Grid.Column>
            </Label>
            <DatePicker SelectedDate="{Binding Path=GroupHeader.CreationDateTime}">
                <Grid.Row>1</Grid.Row>
                <Grid.Column>1</Grid.Column>
            </DatePicker>
            <Label Content="Instructing Agent">
                <Grid.Row>2</Grid.Row>
                <Grid.Column>0</Grid.Column>
            </Label>
            <TextBox Text="{Binding Path=GroupHeader.InstructingAgent}">
                <Grid.Row>2</Grid.Row>
                <Grid.Column>1</Grid.Column>
            </TextBox>
            <Label Content="Instructed Agent">
                <Grid.Row>3</Grid.Row>
                <Grid.Column>0</Grid.Column>
            </Label>
            <TextBox Text="{Binding Path=GroupHeader.InstructedAgent}">
                <Grid.Row>3</Grid.Row>
                <Grid.Column>1</Grid.Column>
            </TextBox>
        </Grid>
    </TreeViewItem>
   <TreeViewItem>
        ...
   </TreeViewItem>
</TreeView>

使用TreeView.ItemContainerStyle只会在实际项目标题上禁用它，而不是其中的内容。

更新：我已经尝试过Chris W的评论以及有关设置控件模板的答案，使用以下内容：

<Style x:Key="StretchingTreeViewItemStyle1" TargetType="{x:Type local:StretchingTreeViewItem}">
  <Setter Property="Background" Value="Transparent"/>
  <Setter Property="HorizontalContentAlignment" Value="{Binding HorizontalContentAlignment, RelativeSource={RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type ItemsControl}}}"/>
  <Setter Property="VerticalContentAlignment" Value="{Binding VerticalContentAlignment, RelativeSource={RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type ItemsControl}}}"/>
  <Setter Property="Padding" Value="1,0,0,0"/>
  <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
  <Setter Property="FocusVisualStyle">
    <Setter.Value>
      <Style>
        <Setter Property="Control.Template">
          <Setter.Value>
            <ControlTemplate>
              <Rectangle/>
            </ControlTemplate>
          </Setter.Value>
        </Setter>
      </Style>
    </Setter.Value>
  </Setter>
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type local:StretchingTreeViewItem}">
        <Grid>
          <Grid.ColumnDefinitions>
            <ColumnDefinition MinWidth="19" Width="Auto"/>
            <ColumnDefinition Width="Auto"/>
            <ColumnDefinition Width="*"/>
          </Grid.ColumnDefinitions>
          <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition/>
          </Grid.RowDefinitions>
          <ToggleButton x:Name="Expander" ClickMode="Press" IsChecked="{Binding IsExpanded, RelativeSource={RelativeSource TemplatedParent}}">
            <ToggleButton.Style>
              <Style TargetType="{x:Type ToggleButton}">
                <Setter Property="Focusable" Value="False"/>
                <Setter Property="Width" Value="16"/>
                <Setter Property="Height" Value="16"/>
                <Setter Property="Template">
                  <Setter.Value>
                    <ControlTemplate TargetType="{x:Type ToggleButton}">
                      <Border Background="Transparent" Height="16" Padding="5" Width="16">
                        <Path x:Name="ExpandPath" Data="M0,0 L0,6 L6,0 z" Fill="Transparent" Stroke="#FF989898">
                          <Path.RenderTransform>
                            <RotateTransform Angle="135" CenterY="3" CenterX="3"/>
                          </Path.RenderTransform>
                        </Path>
                      </Border>
                      <ControlTemplate.Triggers>
                        <Trigger Property="IsChecked" Value="True">
                          <Setter Property="RenderTransform" TargetName="ExpandPath">
                            <Setter.Value>
                              <RotateTransform Angle="180" CenterY="3" CenterX="3"/>
                            </Setter.Value>
                          </Setter>
                          <Setter Property="Fill" TargetName="ExpandPath" Value="#FF595959"/>
                          <Setter Property="Stroke" TargetName="ExpandPath" Value="#FF262626"/>
                        </Trigger>
                        <Trigger Property="IsMouseOver" Value="True">
                          <Setter Property="Stroke" TargetName="ExpandPath" Value="#FF1BBBFA"/>
                          <Setter Property="Fill" TargetName="ExpandPath" Value="Transparent"/>
                        </Trigger>
                        <MultiTrigger>
                          <MultiTrigger.Conditions>
                            <Condition Property="IsMouseOver" Value="True"/>
                            <Condition Property="IsChecked" Value="True"/>
                          </MultiTrigger.Conditions>
                          <Setter Property="Stroke" TargetName="ExpandPath" Value="#FF262626"/>
                          <Setter Property="Fill" TargetName="ExpandPath" Value="#FF595959"/>
                        </MultiTrigger>
                      </ControlTemplate.Triggers>
                    </ControlTemplate>
                  </Setter.Value>
                </Setter>
              </Style>
            </ToggleButton.Style>
          </ToggleButton>
          <Border x:Name="Bd" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Grid.Column="1" Padding="{TemplateBinding Padding}" SnapsToDevicePixels="True">
            <ContentPresenter Focusable="False" x:Name="PART_Header" ContentTemplate="{TemplateBinding HeaderTemplate}" Content="{TemplateBinding Header}" ContentStringFormat="{TemplateBinding HeaderStringFormat}" ContentSource="Header" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
          </Border>
          <ItemsPresenter Focusable="False" x:Name="ItemsHost" Grid.ColumnSpan="2" Grid.Column="1" Grid.Row="1"/>
        </Grid>
        <ControlTemplate.Triggers>
          <Trigger Property="IsExpanded" Value="False">
            <Setter Property="Visibility" TargetName="ItemsHost" Value="Collapsed"/>
          </Trigger>
          <Trigger Property="HasItems" Value="False">
            <Setter Property="Visibility" TargetName="Expander" Value="Hidden"/>
          </Trigger>
          <!--<Trigger Property="IsSelected" Value="True">
            <Setter Property="Background" TargetName="Bd" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/>
            <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.HighlightTextBrushKey}}"/>
          </Trigger>-->
          <!--<MultiTrigger>
            <MultiTrigger.Conditions>
              <Condition Property="IsSelected" Value="True"/>
              <Condition Property="IsSelectionActive" Value="False"/>
            </MultiTrigger.Conditions>
            <Setter Property="Background" TargetName="Bd" Value="{DynamicResource {x:Static SystemColors.InactiveSelectionHighlightBrushKey}}"/>
            <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.InactiveSelectionHighlightTextBrushKey}}"/>
          </MultiTrigger>-->
          <Trigger Property="IsEnabled" Value="False">
            <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
          </Trigger>
        </ControlTemplate.Triggers>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
  <Style.Triggers>
    <Trigger Property="VirtualizingPanel.IsVirtualizing" Value="True">
      <Setter Property="ItemsPanel">
        <Setter.Value>
          <ItemsPanelTemplate>
            <VirtualizingStackPanel IsItemsHost="True"/>
          </ItemsPanelTemplate>
        </Setter.Value>
      </Setter>
    </Trigger>
  </Style.Triggers>
</Style>

结果是TreeViewItem本身的文字不再可选择/不会突出显示，但其中的内容仍然可以。

我已经尝试将我能想到的所有内容设置为Focusable="False"，但这也不起作用，所以我开始认为它与关注某个项目并不相关。特别是因为如果你有嵌套TreeViews，你可以同时选择内部和外部项目。

Answer 1

我能够删除蓝色突出显示，同时仍然能够使用此TreeView样式与底层控件进行交互：

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    xmlns:local="clr-namespace:WpfApplication1.resoureces">
    <SolidColorBrush x:Key="GlyphBrush" Color="#444" />
    <Style x:Key="ExpandCollapseToggleStyle" TargetType="ToggleButton">
        <Setter Property="Focusable" Value="False"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="ToggleButton">
                    <Grid Width="15" Height="13" Background="Transparent">
                        <Path x:Name="ExpandPath" HorizontalAlignment="Left"  VerticalAlignment="Center"  Margin="1,1,1,1" Fill="{StaticResource GlyphBrush}" Data="M 4 0 L 8 4 L 4 8 Z"/>
                    </Grid>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsChecked" Value="True">
                            <Setter Property="Data" TargetName="ExpandPath" Value="M 0 4 L 8 4 L 4 8 Z"/>
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
    <Style x:Key="TreeViewItemFocusVisual">
        <Setter Property="Control.Template">
            <Setter.Value>
                <ControlTemplate>
                    <Border>
                        <Rectangle Margin="0,0,0,0" StrokeThickness="5" Stroke="Black" StrokeDashArray="1 2" Opacity="0"/>
                    </Border>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
    <Style x:Key="{x:Type TreeViewItem}" TargetType="{x:Type TreeViewItem}">
        <Setter Property="Background" Value="Transparent"/>
        <Setter Property="HorizontalContentAlignment" Value="{Binding Path=HorizontalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}"/>
        <Setter Property="VerticalContentAlignment" Value="{Binding Path=VerticalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}"/>
        <Setter Property="Padding" Value="1,0,0,0"/>
        <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
        <Setter Property="FocusVisualStyle" Value="{StaticResource TreeViewItemFocusVisual}"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type TreeViewItem}">
                    <Grid>
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition MinWidth="19" Width="Auto"/>
                            <ColumnDefinition Width="Auto"/>
                            <ColumnDefinition Width="*"/>
                        </Grid.ColumnDefinitions>
                        <Grid.RowDefinitions>
                            <RowDefinition Height="Auto"/>
                            <RowDefinition/>
                        </Grid.RowDefinitions>
                        <ToggleButton x:Name="Expander" Style="{StaticResource ExpandCollapseToggleStyle}" IsChecked="{Binding Path=IsExpanded, RelativeSource={RelativeSource TemplatedParent}}" ClickMode="Press"/>
                        <Border Name="Bd" Grid.Column="1" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Padding="{TemplateBinding Padding}">
                            <ContentPresenter x:Name="PART_Header" ContentSource="Header" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"/>
                        </Border>
                        <ItemsPresenter x:Name="ItemsHost" Grid.Row="1" Grid.Column="1" Grid.ColumnSpan="2"/>
                    </Grid>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsExpanded" Value="false">
                            <Setter TargetName="ItemsHost" Property="Visibility" Value="Collapsed"/>
                        </Trigger>
                        <Trigger Property="HasItems" Value="false">
                            <Setter TargetName="Expander" Property="Visibility" Value="Hidden"/>
                        </Trigger>
                        <MultiTrigger>
                            <MultiTrigger.Conditions>
                                <Condition Property="HasHeader" Value="false"/>
                                <Condition Property="Width" Value="Auto"/>
                            </MultiTrigger.Conditions>
                            <Setter TargetName="PART_Header" Property="MinWidth" Value="75"/>
                        </MultiTrigger>
                        <MultiTrigger>
                            <MultiTrigger.Conditions>
                                <Condition Property="HasHeader" Value="false"/>
                                <Condition Property="Height" Value="Auto"/>
                            </MultiTrigger.Conditions>
                            <Setter TargetName="PART_Header" Property="MinHeight" Value="19"/>
                        </MultiTrigger>
                        <!--<Trigger Property="IsSelected" Value="true">
                            <Setter TargetName="Bd" Property="Background" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/>
                            <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.HighlightTextBrushKey}}"/>
                        </Trigger>-->
                        <MultiTrigger>
                            <MultiTrigger.Conditions>
                                <Condition Property="IsSelected" Value="true"/>
                                <Condition Property="IsSelectionActive" Value="false"/>
                            </MultiTrigger.Conditions>
                            <Setter TargetName="Bd" Property="Background" Value="{DynamicResource {x:Static SystemColors.ControlBrushKey}}"/>
                            <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
                        </MultiTrigger>
                        <Trigger Property="IsEnabled" Value="false">
                            <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
</ResourceDictionary>

您可以看到我做出更改的地方正在评论以下内容。

                <!--<Trigger Property="IsSelected" Value="true">
                    <Setter TargetName="Bd" Property="Background" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/>
                    <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.HighlightTextBrushKey}}"/>
                </Trigger>-->

Answer 2

正如评论所说，[0]的默认$CSV= 'd:\scripts\Test.csv' New-Item -ItemType file -path $LogFile -force | Out-Null ("" | Select Date, Action, Runtime, Status, Details | ConvertTo-Csv -NoType -Delimiter ";")[0] | Out-File $CSV中有两个触发器会在项目选中时更改项目的外观。

通过删除这些触发器，您可以实现您想要的目标：

ControlTemplate

这将适用于所有TreeViewItem。我将它们放在<Window x:Class="TreeViewProblem2.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:local="clr-namespace:TreeViewProblem2" mc:Ignorable="d" Title="MainWindow" Height="350" Width="525"> <Window.Resources> <Style x:Key="TreeViewItemFocusVisual"> <Setter Property="Control.Template"> <Setter.Value> <ControlTemplate> <Rectangle/> </ControlTemplate> </Setter.Value> </Setter> </Style> <SolidColorBrush x:Key="TreeViewItem.TreeArrow.Static.Checked.Fill" Color="#FF595959"/> <SolidColorBrush x:Key="TreeViewItem.TreeArrow.Static.Checked.Stroke" Color="#FF262626"/> <SolidColorBrush x:Key="TreeViewItem.TreeArrow.MouseOver.Stroke" Color="#FF27C7F7"/> <SolidColorBrush x:Key="TreeViewItem.TreeArrow.MouseOver.Fill" Color="#FFCCEEFB"/> <SolidColorBrush x:Key="TreeViewItem.TreeArrow.MouseOver.Checked.Stroke" Color="#FF1CC4F7"/> <SolidColorBrush x:Key="TreeViewItem.TreeArrow.MouseOver.Checked.Fill" Color="#FF82DFFB"/> <PathGeometry x:Key="TreeArrow" Figures="M0,0 L0,6 L6,0 z"/> <SolidColorBrush x:Key="TreeViewItem.TreeArrow.Static.Fill" Color="#FFFFFFFF"/> <SolidColorBrush x:Key="TreeViewItem.TreeArrow.Static.Stroke" Color="#FF818181"/> <Style x:Key="ExpandCollapseToggleStyle" TargetType="{x:Type ToggleButton}"> <Setter Property="Focusable" Value="False"/> <Setter Property="Width" Value="16"/> <Setter Property="Height" Value="16"/> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type ToggleButton}"> <Border Background="Transparent" Height="16" Padding="5,5,5,5" Width="16"> <Path x:Name="ExpandPath" Data="{StaticResource TreeArrow}" Fill="{StaticResource TreeViewItem.TreeArrow.Static.Fill}" Stroke="{StaticResource TreeViewItem.TreeArrow.Static.Stroke}"> <Path.RenderTransform> <RotateTransform Angle="135" CenterY="3" CenterX="3"/> </Path.RenderTransform> </Path> </Border> <ControlTemplate.Triggers> <Trigger Property="IsChecked" Value="True"> <Setter Property="RenderTransform" TargetName="ExpandPath"> <Setter.Value> <RotateTransform Angle="180" CenterY="3" CenterX="3"/> </Setter.Value> </Setter> <Setter Property="Fill" TargetName="ExpandPath" Value="{StaticResource TreeViewItem.TreeArrow.Static.Checked.Fill}"/> <Setter Property="Stroke" TargetName="ExpandPath" Value="{StaticResource TreeViewItem.TreeArrow.Static.Checked.Stroke}"/> </Trigger> <Trigger Property="IsMouseOver" Value="True"> <Setter Property="Stroke" TargetName="ExpandPath" Value="{StaticResource TreeViewItem.TreeArrow.MouseOver.Stroke}"/> <Setter Property="Fill" TargetName="ExpandPath" Value="{StaticResource TreeViewItem.TreeArrow.MouseOver.Fill}"/> </Trigger> <MultiTrigger> <MultiTrigger.Conditions> <Condition Property="IsMouseOver" Value="True"/> <Condition Property="IsChecked" Value="True"/> </MultiTrigger.Conditions> <Setter Property="Stroke" TargetName="ExpandPath" Value="{StaticResource TreeViewItem.TreeArrow.MouseOver.Checked.Stroke}"/> <Setter Property="Fill" TargetName="ExpandPath" Value="{StaticResource TreeViewItem.TreeArrow.MouseOver.Checked.Fill}"/> </MultiTrigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> </Style> <Style TargetType="{x:Type TreeViewItem}"> <Setter Property="Background" Value="Transparent"/> <Setter Property="HorizontalContentAlignment" Value="{Binding HorizontalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}"/> <Setter Property="VerticalContentAlignment" Value="{Binding VerticalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}"/> <Setter Property="Padding" Value="1,0,0,0"/> <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/> <Setter Property="FocusVisualStyle" Value="{StaticResource TreeViewItemFocusVisual}"/> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type TreeViewItem}"> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition MinWidth="19" Width="Auto"/> <ColumnDefinition Width="Auto"/> <ColumnDefinition Width="*"/> </Grid.ColumnDefinitions> <Grid.RowDefinitions> <RowDefinition Height="Auto"/> <RowDefinition/> </Grid.RowDefinitions> <ToggleButton x:Name="Expander" ClickMode="Press" IsChecked="{Binding IsExpanded, RelativeSource={RelativeSource TemplatedParent}}" Style="{StaticResource ExpandCollapseToggleStyle}"/> <Border x:Name="Bd" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Grid.Column="1" Padding="{TemplateBinding Padding}" SnapsToDevicePixels="true"> <ContentPresenter x:Name="PART_Header" ContentSource="Header" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/> </Border> <ItemsPresenter x:Name="ItemsHost" Grid.ColumnSpan="2" Grid.Column="1" Grid.Row="1"/> </Grid> <ControlTemplate.Triggers> <Trigger Property="IsExpanded" Value="false"> <Setter Property="Visibility" TargetName="ItemsHost" Value="Collapsed"/> </Trigger> <Trigger Property="HasItems" Value="false"> <Setter Property="Visibility" TargetName="Expander" Value="Hidden"/> </Trigger> <Trigger Property="IsEnabled" Value="false"> <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> <Style.Triggers> <Trigger Property="VirtualizingPanel.IsVirtualizing" Value="true"> <Setter Property="ItemsPanel"> <Setter.Value> <ItemsPanelTemplate> <VirtualizingStackPanel/> </ItemsPanelTemplate> </Setter.Value> </Setter> </Trigger> </Style.Triggers> </Style> </Window.Resources> <Grid> <TreeView Focusable="False"> <TreeView.ItemContainerStyle> <Style TargetType="{x:Type TreeViewItem}"> <Setter Property="Focusable" Value="False"/> </Style> </TreeView.ItemContainerStyle> <TreeViewItem Focusable="False"> <TreeViewItem.Header>Group Header</TreeViewItem.Header> <TreeViewItem.IsExpanded>true</TreeViewItem.IsExpanded> <Grid Focusable="False"> <Grid.RowDefinitions> <RowDefinition></RowDefinition> <RowDefinition></RowDefinition> <RowDefinition></RowDefinition> <RowDefinition></RowDefinition> <RowDefinition></RowDefinition> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition Width="Auto"></ColumnDefinition> <ColumnDefinition Width="Auto"></ColumnDefinition> </Grid.ColumnDefinitions> <Label Content="Message ID"> <Grid.Row>0</Grid.Row> <Grid.Column>0</Grid.Column> </Label> <TextBox Text="{Binding Path=GroupHeader.MessageId}" HorizontalAlignment="Stretch"> <Grid.Column>1</Grid.Column> <Grid.Row>0</Grid.Row> </TextBox> <Label Content="Creation Date"> <Grid.Row>1</Grid.Row> <Grid.Column>0</Grid.Column> </Label> <DatePicker SelectedDate="{Binding Path=GroupHeader.CreationDateTime}"> <Grid.Row>1</Grid.Row> <Grid.Column>1</Grid.Column> </DatePicker> <Label Content="Instructing Agent"> <Grid.Row>2</Grid.Row> <Grid.Column>0</Grid.Column> </Label> <TextBox Text="{Binding Path=GroupHeader.InstructingAgent}"> <Grid.Row>2</Grid.Row> <Grid.Column>1</Grid.Column> </TextBox> <Label Content="Instructed Agent"> <Grid.Row>3</Grid.Row> <Grid.Column>0</Grid.Column> </Label> <TextBox Text="{Binding Path=GroupHeader.InstructedAgent}"> <Grid.Row>3</Grid.Row> <Grid.Column>1</Grid.Column> </TextBox> </Grid> </TreeViewItem> </TreeView> </Grid> </Window>中然后从那里拉出来。

获取默认TreeViewItem进行编辑的一种方法是使用Blend。这是选项：

Answer 3

我相信您已经注意到了自己，禁用特定TreeViewItem选择的方法是将其Focusable属性设置为false。您使用TreeView.ItemContainerStyle取得了部分成功 - 这导致禁用第一级项目的选择，但不会禁用嵌套项目。这是由TreeView的设计方式引起的。

TreeView基本上是一个ItemsControl，用TreeViewItem容器包装它的项目。这里的关键是它只包含它的孩子（第一级项目），所以TreeView.ItemContainerStyle只适用于它的孩子 - 因此你的结果。

TreeViewItem也来自ItemsControl，并且它包含了自己的孩子，因此所有第二级项目都是其第一级父母的子项（和项目）等。{ {1}}还会使用TreeViewItem个容器包裹所有孩子 - 在您的情况下，TreeViewItem内的Grid名为＆＃34; Group Header＆＃34;被TreeViewItem包裹，您可以使用Snoop等工具进行确认。因此，为了禁用第二级项目的选择，您应该像使用TreeViewItem一样设置所有相应的第一级父项目的TreeViewItem.ItemContainerStyle。

当处理多级树时，为所有项显式设置TreeView可能会有问题，因此您可以使用隐式样式：

TreeViewItem.ItemConainerStyle

现在，此样式将应用于<TreeView> <TreeView.Resources> <Style TargetType="TreeViewItem"> <Setter Property="Focusable" Value="False" /> </Style> </TreeView.Resources> ... </TreeView>内的所有TreeViewItem控件（w.r.t.隐式样式规则） - 重要的是，不仅是第一级控件。这应该可以得到预期的结果。

在TreeView中禁用选择

3 个答案: