C#

private List<string> GetAllSequences(string str)
{
    List<string> retval = new List<string>();
    if (str.Length > 0)
    {
        if (str.Length == 1)
        {
            retval.Add(str);
        }
        else
        {
            string current;
            string theRest;
            for (int i = 0; i < str.Length; i++)
            {
                current = str.Substring(i, 1);
                //retval.Add(current); 
                theRest = str.Remove(i, 1);
                foreach (string appender in GetAllSequences(theRest))
                {
                    retval.Add(current + appender);
                }
            }
        }
    }
    return retval;
}

the other sub-reports are getting modified

naglbitur wrote:

For instance on the lower left corner you can click Mail or Calendar and then you get an appropiate window on the right. How is this done?

naglbitur wrote:

Also, the main window is split into three parts, how is that done?