如何以编程方式将带有文本块的装饰器添加到画布？

Question

我正在跟踪包含此 xaml 的代码示例，但如何以编程方式构建此代码并将其添加到画布中？

<custom:BalloonDecorator Background="{StaticResource MessageOutBackground}" PointerLength="10"
CornerRadius="5" Margin="10,0,0,0"
HorizontalAlignment="left">
<Border Background="{StaticResource Hilight}" CornerRadius="5">
<Border Background="{StaticResource HilightBottom}"
CornerRadius="5">
<TextBlock Text="Hello" HorizontalAlignment="Left" VerticalAlignment="Top"/>
</Border>
</Border>
</custom:BalloonDecorator>

Answer 1

使其成为窗口（或其他东西）的资源：

<Window.Resources>
    <custom:BalloonDecorator x:Key="MyDecorator" Background="{StaticResource MessageOutBackground}" PointerLength="10"
    ...
    </custom:BalloonDecorator>
</Window.Resources>

然后在如下代码中获取它：

BalloonDecorator myDecorator = FindResource("MyDecorator") as BalloonDecorator;