WPF TreeGrid Binding 简易实现方式

<HierarchicalDataTemplate x:Key="TreeNodes" ItemsSource="{Binding Path=Childs,Mode=TwoWay}" >
                <Grid DataContext="{Binding}"  Width="{Binding Level,
                             Converter={StaticResource 
                                        LevelToWidthConverter}}">
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="*" />
                        <ColumnDefinition Width="50" />
                        <ColumnDefinition Width="50" />
                        <ColumnDefinition Width="50" />
                        <ColumnDefinition Width="50" />
                        <ColumnDefinition Width="50" />
                    </Grid.ColumnDefinitions>

                    <TextBlock Text="{Binding Name}" />
                    <CheckBox  Grid.Column="1" IsChecked="{Binding IsCheck}"          
                              IsEnabled="{Binding Path=DataContext.IsInput,RelativeSource={RelativeSource Mode=FindAncestor,AncestorType={x:Type Page}}}"
                              >
                        <i:Interaction.Triggers>
                            <i:EventTrigger EventName="Click">
                                <i:InvokeCommandAction Command="{Binding Path=DataContext.NodeChangeCommand,RelativeSource={RelativeSource Mode=FindAncestor,AncestorType={x:Type Page}}}"
                                                    CommandParameter="{Binding Id}"/>
                            </i:EventTrigger>
                        </i:Interaction.Triggers>
                    </CheckBox>
                    <CheckBox Grid.Column="2" IsChecked="{Binding HasAdd,Mode=TwoWay}"          
                              IsEnabled="{Binding Path=DataContext.IsInput,RelativeSource={RelativeSource Mode=FindAncestor,AncestorType={x:Type Page}}}"
                              >
                    </CheckBox>
                    <CheckBox Grid.Column="3" IsChecked="{Binding HasEdit,Mode=TwoWay}"          
                              IsEnabled="{Binding Path=DataContext.IsInput,RelativeSource={RelativeSource Mode=FindAncestor,AncestorType={x:Type Page}}}"
                              >
                    </CheckBox>
                    <CheckBox Grid.Column="4" IsChecked="{Binding HasEditDetail,Mode=TwoWay}"          
                              IsEnabled="{Binding Path=DataContext.IsInput,RelativeSource={RelativeSource Mode=FindAncestor,AncestorType={x:Type Page}}}"
                              >
                    </CheckBox>
                    <CheckBox Grid.Column="5" IsChecked="{Binding HasDelete,Mode=TwoWay}"          
                              IsEnabled="{Binding Path=DataContext.IsInput,RelativeSource={RelativeSource Mode=FindAncestor,AncestorType={x:Type Page}}}"
                              >
                    </CheckBox>
                </Grid>
            </HierarchicalDataTemplate>