Why won't StackPanel put textblock on left and button on right in Silverlight?

Question

OK, I give up: what do I have to change to this StackPanel below so that it puts the:

• text on far left of form
• button on far right of form.

alt text http://tanguay.info/web/external/stackPanelLeftRight.png

<UserControl x:Class="TestData333.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
    Width="400" Height="300">
    <Grid x:Name="LayoutRoot" Background="White">
        <Border CornerRadius="10" Background="Yellow" Padding="20">
            <StackPanel VerticalAlignment="Top" HorizontalAlignment="Left">
                <ScrollViewer Background="Beige" 
                              Height="230"
                              Width="360">
                    <StackPanel>
                        <TextBlock x:Name="TheContent" 
                           Foreground="Navy"
                           FontSize="14"
                           TextWrapping="Wrap"/>
                    </StackPanel>
                </ScrollViewer>

                <StackPanel Orientation="Horizontal">
                    <TextBlock x:Name="ProgressIndicator" Text="Ready..."
                               HorizontalAlignment="Left"/>
                    <Button Content="Load Data"
                        Width="100"
                        HorizontalAlignment="Right"
                        Click="Button_Load"
                        Margin="0 5 0 0"/>
                </StackPanel>

            </StackPanel>
        </Border>
    </Grid>
</UserControl>

ANSWER:

Downloaded Silverlight 3 toolkit which has DockPanel, installed, referenced System.Windows.Controls, then following XAML:

<UserControl x:Class="TestData333.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
    xmlns:toolkit="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls"
    Width="400" Height="300">
    <Grid x:Name="LayoutRoot" Background="White">
        <Border CornerRadius="10" Background="Yellow" Padding="20">
            <StackPanel VerticalAlignment="Top" HorizontalAlignment="Left">
                <ScrollViewer Background="Beige" 
                              Height="230"
                              Width="360">
                    <StackPanel>
                        <TextBlock x:Name="TheContent" 
                           Foreground="Navy"
                           FontSize="14"
                           TextWrapping="Wrap"/>
                    </StackPanel>
                </ScrollViewer>

                <toolkit:DockPanel Margin="0 5 0 0">
                    <TextBlock toolkit:DockPanel.Dock="Left" x:Name="ProgressIndicator" Text="Ready..."
                               FontSize="12"
                               HorizontalAlignment="Left"/>
                    <Button toolkit:DockPanel.Dock="Right" Content="Load Data"
                        Width="100"
                        HorizontalAlignment="Right"
                        Click="Button_Load"/>
                </toolkit:DockPanel>

            </StackPanel>
        </Border>
    </Grid>
</UserControl>

alt text http://tanguay.info/web/external/silverlightDockPanel.png

Answer 1

you could use dockpanel from toolkit or use grid with 2 columns. and have the content of the second column right aligned