internal static T GetOrCreateAfter <T>(this OpenXmlCompositeElement element, OpenXmlElement after) where T : OpenXmlElement, new()
{
if (!element.Has <T>())
{
element.InsertAfter(new T(), after);
}
return(element.Elements <T>().First());
}
internal static T GetOrCreateBefore <T>(this OpenXmlCompositeElement element, OpenXmlElement before) where T : OpenXmlElement, new()
{
if (!element.Has <T>())
{
element.InsertBefore(new T(), before);
}
return(element.Elements <T>().First());
}
internal static T GetOrCreate <T>(this OpenXmlCompositeElement element, bool prepend) where T : OpenXmlElement, new()
{
if (!element.Has <T>())
{
if (prepend)
{
element.PrependChild(new T());
}
else
{
element.AppendChild(new T());
}
}
return(element.Elements <T>().First());
}