internal void Close()
{
// NOTE: Stop gesture recognition, if the host application is not running.
if (Settings != null)
{
Settings.IsToDetectFacesOnDevice.Value = false;
// NOTE: If the firmware version is larger than 1.1, stopping hand detection changes the LED color from blue to red.
Settings.IsToDetectHandsOnDevice.Value = false;
}
if (FaceDetectionOnHost != null)
{
FaceDetectionOnHost.Dispose(); FaceDetectionOnHost = null;
}
// static event
Microsoft.Win32.SystemEvents.DisplaySettingsChanged -= EgsGestureHidReport.OnDisplaySettingsChanged;
if (CameraViewImageSourceBitmapCapture != null)
{
CameraViewImageSourceBitmapCapture.DisposeWithClearingVideoCaptureDeviceInformationOnDeviceDisconnected();
// TODO: FIX: The next line can cause exception, in the other threads or in getting images with a Timer.
CameraViewImageSourceBitmapCapture = null;
}
if (HidReportsUpdate != null)
{
HidReportsUpdate.OnDisable();
HidReportsUpdate = null;
}
}
/// <summary>
/// This method should be called only from EgsDevicesManager. This updates only connection state of "Camera".
/// </summary>
internal void SetIsCameraDeviceConnectedToFalse()
{
Debug.WriteLine("[EgsDevice] TrySetIsConnectedToFalse() called. DateTime.Now = " + DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss.fff", CultureInfo.InvariantCulture));
// This also updates CameraViewImageSourceBitmapCapture.IsCameraDeviceConnected
if (CameraViewImageSourceBitmapCapture.IsCameraDeviceConnected)
{
CameraViewImageSourceBitmapCapture.DisposeWithClearingVideoCaptureDeviceInformationOnDeviceDisconnected();
}
CameraViewImageSourceBitmapCapture.UpdateIsUpdatingImageSource();
ResetHidReportObjects();
}
