优化一些东西；

alielie

2025-11-25 006c98e5650b530e5220f279c1e803fefe69d40d

 HMI.UI/Controls/treegrid/Themes/TreeItemContentControl.xaml

@@ -114,6 +114,8 @@
        <Setter Property="VerticalContentAlignment" Value="Center"/>
        <Setter Property="BorderThickness" Value="0"/>
        <Setter Property="BorderBrush" Value="LightGray"/>
        <Setter Property="Foreground" Value="{Binding Foreground,RelativeSource={RelativeSource Mode=FindAncestor,
AncestorType=DataGridCell,AncestorLevel=1}}"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type local:TreeItemContentControl}">
@@ -143,20 +145,17 @@
                                        <DataTemplate>
                                            <Grid x:Name="lineGrid" Width="15" Margin="0">
                                                <Line x:Name="line" X1="7.5" Y1="0" X2="7.5" Y2="{Binding ElementName=lineGrid,Path=ActualHeight}" StrokeThickness="1"
                                                      Stroke="{Binding RelativeSource={RelativeSource Mode=FindAncestor,AncestorType=DataGridRow},Path=Foreground}" StrokeDashArray="1,1"/>
                  Stroke="{Binding RelativeSource={RelativeSource Mode=FindAncestor,AncestorType=local:TreeItemContentControl},Path=IconLineStroke}" StrokeDashArray="1,1"/>
                                            </Grid>
                                            <!-- 这里放开有个问题，会让只有一个根节点的树列表显示错误 -->
                                            <!--<DataTemplate.Triggers>
                                                <DataTrigger Binding="{Binding IsLastItem}" Value="true">
                                                    <Setter Property="Visibility" Value="Collapsed"/>
                                                </DataTrigger>
                                            </DataTemplate.Triggers>-->
                                        </DataTemplate>
                                    </ListBox.ItemTemplate>
                                </ListBox>
                            </Grid>

                            <ToggleButton x:Name="ExpanderButton" Grid.Column="1" Style="{StaticResource ClearToggleStyle}" HorizontalAlignment="Left"
                            <ToggleButton x:Name="ExpanderButton" 
                                          Cursor="Hand"
                                          Grid.Column="1" Style="{StaticResource ClearToggleStyle}" HorizontalAlignment="Left"
                                          
                                          IsChecked="{Binding RelativeSource={RelativeSource Mode=TemplatedParent},Path=TreeData.IsExpanded,Mode=TwoWay}"
                                          Content="{Binding RelativeSource={RelativeSource Mode=TemplatedParent},Path=TreeData.IconType}"
                                          ContentTemplate="{StaticResource Icon_Template}"