Kepler-Release/Venus/Venus_MainPages/Views/RoleView.xaml

<UserControl x:Class="Venus_MainPages.Views.RoleView"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:local="clr-namespace:Venus_MainPages.Views"
             xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"
             xmlns:prism="http://prismlibrary.com/"
             xmlns:customControls="clr-namespace:Venus_Themes.CustomControls;assembly=Venus_Themes"
             xmlns:unity="clr-namespace:Venus_MainPages.Unity"
             prism:ViewModelLocator.AutoWireViewModel="True"
             mc:Ignorable="d" 
             d:DesignHeight="450" d:DesignWidth="800" Name="roleView">
    <i:Interaction.Triggers>
        <i:EventTrigger EventName="Loaded">
            <i:InvokeCommandAction Command="{Binding LoadedCommand}" CommandParameter="{Binding ElementName=roleView}"/>
        </i:EventTrigger>
    </i:Interaction.Triggers>
    <Canvas>
        <TreeView ItemsSource="{Binding Roles}" Canvas.Left="10" x:Name="roleTreeView">
            <i:Interaction.Triggers>
                <i:EventTrigger EventName="SelectedItemChanged">
                    <i:InvokeCommandAction Command="{Binding SelectedItemChangedCommand}"/>
                </i:EventTrigger>
            </i:Interaction.Triggers>
        </TreeView>

        <StackPanel Orientation="Horizontal" Canvas.Left="150" Canvas.Top="30">
            <TextBlock Text="IsLock" FontSize="20"/>
            <CheckBox  Canvas.Left="200" Canvas.Top="10" Margin="4"/>
        </StackPanel>

        <StackPanel Orientation="Horizontal" Canvas.Left="150" Canvas.Top="70">
            <TextBlock Text="LockTime:" FontSize="20"/>
            <TextBox Width="100" FontSize="20" BorderThickness="0,0,0,1" BorderBrush="Black" Background="Transparent"/>
            <TextBlock Text="(s)" FontSize="20"/>
        </StackPanel>

        <customControls:PathButton Content="Save" Width="120" Height="33" Canvas.Left="400" Canvas.Top="66" Command="{Binding SaveCommand}"/>
        <DataGrid   ItemsSource="{Binding Menus}" AlternationCount="2"
                    SelectionUnit="Cell"
                    FontSize="20"
                    Height="700"
                    Canvas.Top="110"
                    Canvas.Left="10"
                    AutoGenerateColumns="False" HorizontalAlignment="Center"  VerticalAlignment="Top" CanUserAddRows="False">
            <DataGrid.Columns>
                <DataGridTemplateColumn Header="FirstMenu"  Width="200" >
                    <DataGridTemplateColumn.CellTemplate>
                        <DataTemplate>
                            <TextBlock Text="{Binding FirstMenu}"/>
                        </DataTemplate>
                    </DataGridTemplateColumn.CellTemplate>
                </DataGridTemplateColumn>
                <DataGridTemplateColumn Header="SecondMenu"  Width="200" IsReadOnly="True">
                    <DataGridTemplateColumn.CellTemplate>
                        <DataTemplate>
                            <TextBlock Text="{Binding SecondMenu}"/>
                        </DataTemplate>
                    </DataGridTemplateColumn.CellTemplate>
                </DataGridTemplateColumn>
                <DataGridTemplateColumn Header="Permission"  Width="200" >
                    <DataGridTemplateColumn.CellTemplate>
                        <DataTemplate>
                            <ComboBox SelectedItem="{Binding Permission,UpdateSourceTrigger=PropertyChanged}" unity:ItemsControlHelper.EnumValuesToItemsSource="True" />
                        </DataTemplate>
                    </DataGridTemplateColumn.CellTemplate>
                </DataGridTemplateColumn>
            </DataGrid.Columns>
            <DataGrid.GroupStyle>
                <GroupStyle >
                    <GroupStyle.ContainerStyle>
                        <Style TargetType="{x:Type GroupItem}">
                            <Setter Property="Template">
                                <Setter.Value>
                                    <ControlTemplate TargetType="{x:Type GroupItem}">
                                        <Expander IsExpanded="True" Style="{StaticResource ExpanderStyle}" ExpandDirection="Down"  SnapsToDevicePixels="True" VerticalAlignment="Top">
                                            <Expander.Header>
                                                <Border BorderBrush="Gray" BorderThickness="0,0,0,1">
                                                    <StackPanel Orientation="Horizontal">
                                                        <TextBlock Text="{Binding Name}" Width="120" Foreground="Red"/>
                                                        <TextBlock Text="    Count：" Foreground="Red"/>
                                                        <TextBlock Text="{Binding ItemCount}" Foreground="Red"/>
                                                    </StackPanel>
                                                </Border>

                                            </Expander.Header>
                                            <ItemsPresenter/>
                                        </Expander>
                                    </ControlTemplate>
                                </Setter.Value>
                            </Setter>
                        </Style>
                    </GroupStyle.ContainerStyle>
                </GroupStyle>
            </DataGrid.GroupStyle>
            <DataGrid.RowStyle>
                <Style TargetType="{x:Type DataGridRow}">
                    <Style.Triggers>
                        <Trigger Property="ItemsControl.AlternationIndex"
                         Value="0">
                            <Setter Property="Background" Value="#EEEEEE" />
                        </Trigger>
                        <Trigger Property="ItemsControl.AlternationIndex"
                         Value="1">
                            <Setter Property="Background" Value="#DEDEDE" />
                        </Trigger>
                    </Style.Triggers>
                </Style>
            </DataGrid.RowStyle>
        </DataGrid>

    </Canvas>
</UserControl>