public static void GetInstance() { if (processesLogDlg == null || processesLogDlg.IsLoaded == false) { processesLogDlg = new ProcessesLogDlg(); } if (processesLogDlg.WindowState == WindowState.Minimized) { processesLogDlg.WindowState = WindowState.Normal; } processesLogDlg.Focus(); processesLogDlg.dataGridControl.ItemsSource = ProcessesLogList.GetInstance(); processesLogDlg.Show(); }