UnicodeCharacters.cs

internal static class UnicodeCharacters
{
    struct CharacterInfo
    {
        public char character;
        public char lower;
        public int characterCode;
        public int lowerCode;

        public override string ToString()
        {
            return character + " " + characterCode + " - " + lower + " " + lowerCode;
        }
    }

    public static void PrintUnicodeLowerCharactersToConsole(int startIndex, int endIndex)
    {
        List<CharacterInfo> result = new List<CharacterInfo>();

        System.Text.StringBuilder resultStr = new System.Text.StringBuilder();

        for (int i = startIndex; i < endIndex; ++i)
        {
            CharacterInfo temp;
            temp.character = (char)i;
            temp.lower = temp.character.ToString().ToLowerInvariant()[0];
            temp.characterCode = (int)temp.character;
            temp.lowerCode = (int)temp.lower;

            result.Add(temp);
            resultStr.Append(temp.lowerCode);
            resultStr.Append(",");
        }
        Console.WriteLine(resultStr.ToString());
    }
}