public static string CreateRelationshipToPartDefaultId(this OpenXmlPartContainer parent, OpenXmlPart targetPart)
{
return(parent.CreateRelationshipToPart(targetPart, parent.GetNextRelationshipId()));
}
public static TPart AddNewPartDefaultId <TPart>(this OpenXmlPartContainer parent, out string id) where TPart : OpenXmlPart, IFixedContentTypePart
{
id = parent.GetNextRelationshipId();
return(parent.AddNewPart <TPart>(id));
}