https://learn.microsoft.com/en-us/dotnet/api/documentformat.openxml.openxmlelement.setattributes?view=openxml-3.0.1
OpenXmlElement.SetAttributes(IEnumerableOpenXmlAttribute) Method (DocumentFormat.OpenXml) |...
Sets a number of attributes to the element. If an attribute is a known attribute, the value of the attribute is set. If an attribute is an extended attribute,...
methodopenxml