添加项目文件。

Wpf.Ui.Extend/UserControls/MultiCheckTreeView.xaml

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+<UserControl
+    x:Class="Wpf.Ui.Extend.UserControls.MultiCheckTreeView"
+    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:models="clr-namespace:Wpf.Ui.Extend.Models"
+    d:DesignHeight="300"
+    d:DesignWidth="300"
+    mc:Ignorable="d">
+    <Grid>
+        <DockPanel>
+            <Border>
+                <TreeView x:Name="MultiCheckTree" d:ItemsSource="{d:SampleData}">
+                    <TreeView.ContextMenu>
+                        <ContextMenu />
+                    </TreeView.ContextMenu>
+                    <TreeView.ItemContainerStyle>
+                        <Style TargetType="{x:Type TreeViewItem}">
+                            <Setter Property="IsExpanded" Value="{Binding IsExpanded, Mode=TwoWay}" />
+                            <EventSetter Event="UIElement.PreviewMouseRightButtonDown" Handler="TreeViewItem_PreviewMouseRightButtonDown" />
+                        </Style>
+                    </TreeView.ItemContainerStyle>
+                    <TreeView.ItemTemplate>
+                        <HierarchicalDataTemplate DataType="{x:Type models:TreeModel}" ItemsSource="{Binding Children}">
+                            <StackPanel
+                                x:Name="staTree"
+                                Margin="-2,0,0,0"
+                                Orientation="Horizontal">
+                                <CheckBox
+                                    Click="treeNode_Click"
+                                    FontFamily="微软雅黑"
+                                    FontSize="14"
+                                    IsChecked="{Binding IsChecked, Mode=TwoWay}"
+                                    Tag="{Binding Children}"
+                                    ToolTip="{Binding ToolTip}">
+                                    <!--<CheckBox.ContextMenu>
+                                        <ContextMenu>
+                                            <MenuItem
+                                                x:Name="menuSelectAllChild"
+                                                Click="menuSelectAllChild_Click"
+                                                Header="全部选中子项">
+                                                <MenuItem.Icon>
+                                                    <Image Source="/FamilyTools;component/Images/16_16/Checked_16px.png" />
+                                                </MenuItem.Icon>
+                                            </MenuItem>
+                                        </ContextMenu>
+                                    </CheckBox.ContextMenu>-->
+                                    <StackPanel Orientation="Horizontal">
+                                        <Image VerticalAlignment="Center" Source="{Binding Icon}" />
+                                        <TextBlock
+                                            VerticalAlignment="Center"
+                                            Foreground="Black"
+                                            Text="{Binding Name}" />
+                                    </StackPanel>
+                                </CheckBox>
+                            </StackPanel>
+                            <HierarchicalDataTemplate.Triggers>
+                                <DataTrigger Binding="{Binding IsChecked}" Value="true">
+                                    <Setter TargetName="staTree" Property="Background" Value="White" />
+                                </DataTrigger>
+                            </HierarchicalDataTemplate.Triggers>
+                        </HierarchicalDataTemplate>
+                    </TreeView.ItemTemplate>
+                </TreeView>
+            </Border>
+        </DockPanel>
+    </Grid>
+</UserControl>