foreach (XmlNode m_Node in m_Root.ChildNodes)
            {
                if (m_Node.Name.Equals("cas"))
                {
                    //ziskani atributu konkretniho elementu
                    XmlAttributeCollection m_Atts = m_Node.Attributes;
                    foreach (XmlAttribute m_Attribute in m_Atts)
                    {
                        //vypsani nazvu a hodnoty attributu
                        listBox1.Items.Add(m_Attribute.Value);
                    }
                }
            }