public ViewModel(Window mainWin)
{
_dispatchTimer = new DispatcherTimer(new TimeSpan(0, 0, 5), DispatcherPriority.Normal, OnDispatcherTimer,
mainWin.Dispatcher);
_dispatchTimer.Stop();;
try
{
_monitorManager = MonitorManagerFactory.GetInstance();
_monitorManager.UpdateMonitors(null);
_deviceDetector = DeviceDetector.GetInstance();
_deviceDetector.DeviceAttached += this.OnDeviceNotify;
_deviceDetector.DeviceRemoved += this.OnDeviceNotify;
}
catch (Win32Exception win32Exception)
{
MessageBox.Show(String.Format("{0} \n StackTrace: \n{1}", win32Exception.Message, win32Exception.StackTrace),
win32Exception.ErrorCode.ToString());
}
catch (System.TypeLoadException ex)
{
MessageBox.Show(ex.Message);
}
}
private void OnDeviceNotify(object sender, DeviceDetector.DeviceChangedEventArgs e)
{
try
{
var deviceInfo = e.DeviceInfo as Win32Wrapper.CTypes.DEV_BROADCAST_DEVICEINTERFACE;
if (deviceInfo != null)
{
Guid deviceGuid = new Guid(deviceInfo.dbcc_classguid);
Guid monitorInterfaceGuid = new Guid("E6F07B5F-EE97-4a90-B076-33F57BF4EAA7");
if (deviceGuid.Equals(monitorInterfaceGuid))
_monitorManager.UpdateMonitors(null);
}
}
catch (Win32Exception ex)
{
MessageBox.Show(ex.Message, ex.ErrorCode.ToString());
}
}
public static DeviceDetector GetInstance(Window window = null)
{
if (_deviceDetector == null)
_deviceDetector = new DeviceDetector();
return _deviceDetector;
}
