Gist for blog post: http://www.mindbodysouldeveloper.com/2016/01/27/c-sharp-how-to-replace-dictionary-with-factory-method/

Replacing-Dictionary-With-Factory-Method.cs

private static Dictionary<string, object> SetupStoredProcParameters(Level level, 
                                                                    DateTime valueDate, 
                                                                    string branch, 
                                                                    string levelName, 
                                                                    string subLevelName)
{
    var parameters = new Dictionary<string, object>();
    switch(level)
    {
        case Level.Top:
            parameters.Add(StoredProcParam.ValueDate, valueDate);
            parameters.Add(StoredProcParam.Branch, branch);
            break;
        case Level.One:
            parameters.Add(StoredProcParam.ValueDate, valueDate);
            parameters.Add(StoredProcParam.Branch, branch);
            parameters.Add(StoredProcParam.LevelName, levelName);
            break;
        case Level.Two:
            parameters.Add(StoredProcParam.ValueDate, valueDate);
            parameters.Add(StoredProcParam.Branch, branch);
            parameters.Add(StoredProcParam.LevelName, levelName);
            parameters.Add(StoredProcParam.SubLevelName, subLevelName);
            break;
        default:
            break;       
    }
    
    return parameters;    
}