async void OnFrameAvailable(object sender, FrameReadyEventArgs e) { lastFrameTime = Environment.TickCount; var img = e.BitmapSource; CameraImage.Source = e.BitmapSource; if (img != null) { device.CameraInfo.LastFrame = img; } if (lastCheckTime + 1000 < lastFrameTime) { lastCheckTime = Environment.TickCount; var properties = await device.GetStatus(); if (properties.ContainsKey("alarm_status")) { // device current alarm status,0=no alarm;1=motion detection alarm;2=input alarm;3=voice detection alarm double alarm = (double)properties["alarm_status"]; if (alarm == 1) { SaveFrame(e.BitmapSource); } } } }
void OnFrameAvailable(object sender, FrameReadyEventArgs e) { if (e.BitmapSource == null) { CheckUnauthorized(); } else { lastFrameTime = Environment.TickCount; HideError(); CameraImage.Source = e.BitmapSource; device.CameraInfo.LastFrame = e.BitmapSource; } }