WPF 如何将一个grid划分成如图格式

Question

Answer 1

    <Grid.ColumnDefinitions>
        <ColumnDefinition />
        <ColumnDefinition />
        <ColumnDefinition />
    </Grid.ColumnDefinitions>

    <Grid Grid.RowSpan="2">
        <!--左边第一列区域-->
    </Grid>
    <Grid Grid.Row="0" Grid.Column="1">
        <!--中间一列第一行区域-->
    </Grid>
    <Grid Grid.Row="1" Grid.Column="1">
        <!--中间一列第二行区域-->
    </Grid>
    <Grid Grid.Column="2" Grid.RowSpan="2">
        <!--最后一列区域-->
    </Grid>
</Grid>

Answer 2

<Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition />
            <ColumnDefinition />
            <ColumnDefinition />
        </Grid.ColumnDefinitions>
        
        <Grid Grid.Column="1">
            <Grid.RowDefinitions>
                <RowDefinition/>
                <RowDefinition/>
            </Grid.RowDefinitions>
        </Grid>




    </Grid>