public static Dictionary<string, string> CreateDictionary(Dictionary<string, string> data, string key)
{
    Dictionary<string, string> result = new Dictionary<string, string>();
    if (data != null && (!key.IsNullOrWhiteSpace()))
    {

        if (data.ContainsKey(key))
        {
            string value = data[key];
            if (value.StartsWith("#"))
            {
                string[] valueSplitted = value.Split(new char[] { ';' });
                if (valueSplitted.Length > 1)
                {
                    string property = String.Empty;
                    string dataArea = String.Empty;
                    int positionFirstEqualSign = 0;
                    for (int index = 1; index < valueSplitted.Length; index++)
                    {
                        positionFirstEqualSign = valueSplitted[index].IndexOf('=');
                        if (positionFirstEqualSign > 0)
                        {
                            property = valueSplitted[index].Substring(0, positionFirstEqualSign);
                            //falls sich im "Datenbereich" weitere '=' befinden
                            dataArea = valueSplitted[index].Substring(positionFirstEqualSign + 1);
                            result.Add(property, dataArea);
                        }
                    }
                }
            }
        }
    }
    return (result);
}