/// <summary>
        /// Zeigt den Konfigurationsdialog an.
        /// </summary>
        /// <param name="owner">Das übergeordnete Fenster.</param>
        public void ShowConfiguration(IWin32Window owner)
        {
            // Create dialog
            using (var dialog = new ConfigurationDialog(this))
            {
                // Nothing happend
                if (DialogResult.OK != dialog.ShowDialog(owner))
                {
                    return;
                }

                // Reset
                Clear();

                // Forward
                OnConfigurationChanged();
            }
        }
        /// <summary>
        /// Zeigt den Konfigurationsdialog an.
        /// </summary>
        /// <param name="owner">Das übergeordnete Fenster.</param>
        public void ShowConfiguration( IWin32Window owner )
        {
            // Create dialog
            using (var dialog = new ConfigurationDialog( this ))
            {
                // Nothing happend
                if (DialogResult.OK != dialog.ShowDialog( owner )) return;

                // Reset
                Clear();

                // Forward
                OnConfigurationChanged();
            }
        }