/// <summary>
 /// Constructor
 /// </summary>
 /// <param name="_LogFileName">Log file name</param>
 public ScannerControl(string _LogFileName)
 {
     DeviceManager = new DeviceManager();
     DeviceInfoCollection = DeviceManager.DeviceInfos  ;
     objScannerPowerManager = new ScannerPowerManager(_LogFileName);
     scnMngrLog = new ScnMngrLog(_LogFileName);
 }
 /// <summary>
 /// Constructor. 
 /// </summary>
 public ScannerControl()
 {
     //System.Diagnostics.Debug.WriteLine(@"DeviceManager = new DeviceManager();");
     DeviceManager = new DeviceManager();
     DeviceInfoCollection = DeviceManager.DeviceInfos  ;
     objScannerPowerManager = new ScannerPowerManager();
     scnMngrLog = new ScnMngrLog();
 }