/// <summary>
/// Serialize a <see cref="ParameterValueElement"/> object out to XML.
/// This method is aware of and implements the shorthand attributes
/// for dependency and value elements.
/// </summary>
/// <param name="writer">Writer to output XML to.</param>
/// <param name="element">The <see cref="ParameterValueElement"/> to serialize.</param>
/// <param name="elementsOnly">If true, always output an element. If false, then
/// dependency and value elements will be serialized as attributes in the parent tag.</param>
public static void SerializeParameterValueElement(XmlWriter writer, ParameterValueElement element, bool elementsOnly)
{
string tag = GetTagForElement(element);
if (!elementsOnly)
{
var attributeOnlyElement = element as IAttributeOnlyElement;
if (attributeOnlyElement != null)
{
attributeOnlyElement.SerializeContent(writer);
}
else
{
writer.WriteElement(tag, element.SerializeContent);
}
}
else
{
writer.WriteElement(tag, element.SerializeContent);
}
}
/// <summary>
/// Gets a <see cref="ParameterValueElement"/>, or if none is present,
/// returns a default <see cref="DependencyElement"/>.
/// </summary>
/// <param name="currentValue">The <see cref="ParameterValueElement"/>.</param>
/// <returns>The given <paramref name="currentValue"/>, unless
/// <paramref name="currentValue"/> is null, in which case returns
/// a <see cref="DependencyElement"/>.</returns>
public static ParameterValueElement GetValue(ParameterValueElement currentValue)
{
return(currentValue ?? DefaultDependency);
}
