在单元格边界外渲染DataGrid单元格的元素

Question

以下示例中的红色矩形被剪裁（最后一行除外），我想知道是否可以转换在单元格外的数据网格单元内转换控件？< / p>

<Window
    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:System="clr-namespace:System;assembly=mscorlib" x:Class="WpfSamples.Transforms.TranslateOutOfContainer"
    mc:Ignorable="d"
    Title="TranslateOutOfContainer" Height="300" Width="300">
<Grid>

    <DataGrid AutoGenerateColumns="False">
        <DataGrid.Columns>
            <DataGridTemplateColumn Header="Test">
                <DataGridTemplateColumn.CellTemplate>
                    <DataTemplate>
                        <Canvas>
                            <Grid Canvas.Top="0" Canvas.Left="0" Width="10" Height="10">
                                <StackPanel ClipToBounds="False">
                                    <Rectangle Fill="Red" Height="5">
                                        <Rectangle.RenderTransform>
                                            <TranslateTransform Y="3"/>
                                        </Rectangle.RenderTransform>
                                    </Rectangle>
                                </StackPanel>
                            </Grid>
                        </Canvas>
                    </DataTemplate>
                </DataGridTemplateColumn.CellTemplate>
            </DataGridTemplateColumn>
        </DataGrid.Columns>

        <System:Object/>
        <System:Object/>
        <System:Object/>
    </DataGrid>

</Grid>