为Silverlight 控件添加工具提示 火麒

<Button Width="60" Height="20" Content="My Button">
<ToolTipService.ToolTip>
<ToolTip Content="This is tool tip for Button"></ToolTip>
</ToolTipService.ToolTip>
</Button>
<TextBox Width="60" Height="20" Text="My Text">
<ToolTipService.ToolTip>
<Image Source="http://www.abc.com/images/abc.jpg" >
</Image>
</ToolTipService.ToolTip>
</TextBox>
ToolTipService.SetToolTip(MyButton, "This is new tooltip");