以下代码是为Image添加一个图文并存的ToolTip
<Image Name="TestImage" Width="32" Height="32" Cursor="Hand" Source="/SilverlightApplication26;component/image/minus.png">
<ToolTipService.ToolTip>
<StackPanel Orientation="Horizontal">
<Image Source="/SilverlightApplication26;component/image/minus.png"></Image>
<TextBlock Text="This is my tooltip." VerticalAlignment="Center"></TextBlock>
</StackPanel>
</ToolTipService.ToolTip>
</Image>