private void ShowForm(Example pExample)
        {
            if (panel1.Controls.Count > 0)
            {
                panel1.Controls[0].Parent = null;
            }

            IExampleForm lSource = SubForms[pExample];

            lSource.GetMainPanel().Parent = panel1;
            lSource.GetMainPanel().Dock   = DockStyle.Fill;
            textBoxDescription.Text = lSource.GetDescription();
        }