protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
        {
            if (m_AppArgs.Waiting)
            {
                RscPageArgsRet appOutput = m_AppArgs.GetOutput();
                if (appOutput != null)
                {
                    switch (appOutput.ID)
                    {
                    case "RootFldrPath":
                    {
                        if (appOutput.GetFlag(0) == "Ok")
                        {
                            m_txtRootFldr.Text = appOutput.GetData(0);
                            ListFiles();
                        }
                        else
                        {
                            //NOP...
                        }
                        break;
                    }

                    case "CopyMove":
                    {
                        if (appOutput.GetFlag(0) == "Ok")
                        {
                            m_sCopyMoveDest = appOutput.GetData(0);

                            if (chbRecurse.IsChecked.Value && (m_txtRootFldr.Text.Length == 0 || m_sCopyMoveDest.ToUpper().IndexOf(m_txtRootFldr.Text.ToUpper()) == 0))
                            {
                                MessageBox.Show("Unable to " + m_sCopyMove + " from parent folder to its' child folder.");
                            }
                            else
                            {
                                m_AppFrame.SetStatusText(m_sCopyMove + "...");
                                m_AppFrame.StartTimer("copy move files", LayoutRoot, 1, 0, true);
                            }
                        }
                        else
                        {
                            //NOP...
                        }
                        break;
                    }

                    case "txRenameTo":
                    {
                        if (appOutput.GetFlag(0) == "Ok")
                        {
                            RscFileItemDesc it = m_files[0];

                            string sNewName = appOutput.GetData(0);

                            if (it.strFileName.ToUpper().CompareTo(sNewName.ToUpper()) != 0)
                            {
                                RscStore store = new RscStore();

                                string sNewPath = it.strParent;
                                if (sNewPath.Length > 0)
                                {
                                    sNewPath += "\\";
                                }
                                sNewPath += sNewName;

                                if (store.FileExists(sNewPath))
                                {
                                    MessageBox.Show("Name already in use!\r\n\r\n" + sNewPath);
                                }
                                else
                                {
                                    if (RscStore.ExtensionOfPath(sNewPath).ToUpper().CompareTo(RscStore.ExtensionOfPath(it.Path).ToUpper()) != 0)
                                    {
                                        if (MessageBoxResult.OK != MessageBox.Show("Do you really want to change type from " + RscStore.ExtensionOfPath(it.Path)
                                                                                   + " to " + RscStore.ExtensionOfPath(sNewPath) + "?\r\n\r\n(press Back to cancel)"))
                                        {
                                            return;
                                        }
                                    }

                                    try
                                    {
                                        store.MoveFile(it.Path, sNewPath);
                                    }
                                    catch (Exception exc)
                                    {
                                        MessageBox.Show("Rename failed!\r\n\r\n" + exc.Message);
                                        return;
                                    }

                                    if (txFilter.Text == it.strFileName)
                                    {
                                        txFilter.Text = sNewName;
                                    }
                                    it.strFileName = sNewName;

                                    //ReQuery...
                                    lbFiles.ItemsSource = null;
                                    lbFiles.ItemsSource = m_files;
                                }
                            }
                        }
                        else
                        {
                            //NOP...
                        }
                        break;
                    }
                    }
                }

                m_AppArgs.Clear();
            }
        }