Button Control does not work

<Canvasxmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" >

<!--<Canvas.Triggers>

<EventTrigger RoutedEvent="Canvas.Loaded">

<BeginStoryboard>

<Storyboard BeginTime="0" Duration="Forever">

<DoubleAnimation Storyboard.TargetName="WhiteEllipse" Storyboard.TargetProperty="(Canvas.Left)" From="0" To="300" AutoReverse="true" BeginTime="0:0:0" Duration="0:0:1" RepeatBehavior="Forever"/>

</Storyboard>

</BeginStoryboard>

</EventTrigger>

</Canvas.Triggers>

<Ellipse x:Name="RedEllipse" Fill="red" Height="100" Width="100" />

<Ellipse x:Name="WhiteEllipse" Fill="#FFFFFFFF" Stroke="#FF000000" Width="100" Height="100" Canvas.Left="321" Canvas.Top="161.2"/>

<TextBlock x:Name="MyLink" Canvas.Left="0" Canvas.Top="0" FontFamily="Verdana" FontSize="12" Width="250" TextWrapping="Wrap" Text="some say on his days off he makes shoes for tiny little ants..." />-->

<ButtonHorizontalAlignment="Stretch"

Margin="57,37,48,111"

VerticalAlignment="Stretch"

Height="Auto"Width="Auto"

Grid.RowSpan="1"Grid.Column="0"

Grid.Row="0"Grid.ColumnSpan="1">

<DockPanelWidth="142.926143024619"

Height="90.5360416666667">

<TextBlockDockPanel.Dock="Bottom">

</TextBlock>

</DockPanel>

</Button>

</Canvas>

Pls look at my xaml file. I add button in to xaml but it does not work but ellipse and textblock can work.

Pls let me know what i miss in my xaml.

Thanks,

Alex

[5610 byte] By [Alex_SG] at [2008-3-1]