Colectica SDK: Get all categories in a DDI CodeScheme

gistfile1.cs

public void OutputAllCodesAndCategories(DdiInstance instance)
{
	var allCodeLists = from rp in instance.ResourcePackages
					   from cs in rp.CodeSchemes
					   select cs;

	foreach (CodeScheme codeList in allCodeLists)
	{
		Console.WriteLine("Code List: " + codeList.DisplayLabel);

		// Note the use of GetFlattenedCodes method instead of codeList.CategoryScheme.
		// codeList.CategoryScheme is an optional reference to a CategoryScheme
		// that may or may not contain all the Categories used in this CodeScheme.
		// Also, the CategoryScheme reference may be null.
		foreach (Code code in codeList.GetFlattenedCodes())
		{
			Console.WriteLine(string.Format("{0}: {1}", code.Value, code.Category.DisplayLabel));
		}
	}
}