Specifies an underlined text decoration.
Assembly: System.Windows (in System.Windows.dll)
The XAML usage for is not an attribute syntax of the TextDecorations type (TextDecorations cannot be instantiated in XAML). Instead, is a static property that can be used to fill properties/attributes that take the type TextDecorationCollection, either in code or XAML. Examples of such properties/attributes are TextBlock.TextDecorations and Inline.TextDecorations.
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.