WPF wrappanel: manage horizontal and vertical behaviour

Question

is there any way to obtain this layout using a WPF Wrappanel? B and C in the pictures should be vertically aligned in horizontal mode and horizontally aligned in vertical mode. Letters orientation must be preserved. In pictures, from [Horizontal] to [Vertical]:

Horizontal

Vertical

I've tryed:

<wrappanel>
<A/>
<wrappanel>
<B/><C/>
</wrappanel>
</wrappanel>

but its behaviuor is unpredictable. Thank you in advance.

Answer 1

If you just want to be in proper alignment, you can just use Grid like this. That way B and C will always have same width and height, whenever you resize window.

    <Grid>
   <Grid.ColumnDefinitions>
      <ColumnDefinition Width="*" />
      <ColumnDefinition Width="*" />
   </Grid.ColumnDefinitions>
   <Grid.RowDefinitions>
      <RowDefinition Height="*" />
      <RowDefinition Height="*" />
   </Grid.RowDefinitions>
   <Button Content="A" Grid.Column="0" Grid.RowSpan="2" />
   <Button Content="B" Grid.Column="1" Grid.Row="0"/>
   <Button Content="C" Grid.Column="1" Grid.Row="1"/>
</Grid>