YouTube fullscreen mode lost when switch to another window

How can I save fullscreen mode in YouTube videos after swith to another window?

Hi Serializable,
Currently this is not possible. There is theater view however if you click on the theater button of Youtube.

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Hi hamid_ss,
Currently Firefox for Android does this by default with embedded players. Some sites go automatically to full screen too which may be what you are running into. Try it.

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Hello!
I have an iMac (running iOS 10.6.8, not upgraded to Lion) that I'm having audio issues with. I have 5 profiles on this machine. The audio output will work fine out of one profile, then when switched to another, the profile will not have any audio output at all. Rebooting the machine will occasionally solve the problem. Administrator permissions are not the issue since this has also manifested itself on the administrator profile. I've also reset the NVRAM/PRAM and that hasn't helped. All my software is up to date and I recently upgraded the RAM to 2x2GB sticks. This problem was existing prior to the RAM upgrade.
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Hi Tony,
Long shot, but...
Open Audio Midi Setup in Applications>Utilities, see the input & output options & KHz setting there, some things will change it for their own use, then not set it back.

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Hi all,
About a week ago I noticed that I will sometimes be left with a black screen when I switch between virtual consoles using Ctrl+Alt+F8, etc. The system is still running, and can be communicated with over the network, but, short of rebooting via ssh or killing X, there seems to be nothing I can do to get the screen working again. It seems especially common when switching between F7 and F8 (both graphical) but sometimes occurs when switching from a graphical to a text based console (F1-F6).
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Well, many 20-nvidia-conf files later, the problem persists.
Not only that, but the number of jumps between virtual consoles before failure seems to be perfectly consistent. I login as one user (a GUI session on tty7), then switch user to open a new GUI session on tty8. Now, (using Ctrl+Alt+F7 or F8, as appropriate), I switch back to the first user (enter a password because opening the new session locks the first one), switch back to the second user, back to the first, and then try switch back to the second ... and all is lost. The fifth switch fails: every ... single ... time.
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Hi There,
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Other shortcuts like CMD + OPT [ ] to switch between open tabs and CMD + TAB to switch apps seem to work - but without the ability to switch between open windows within the same app, full screen mode is kind of useless.
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or:
And some additional shurtcuts:
OS X: Keyboard shortcuts - Apple Support
http://www.danrodney.com/mac/
cmscss wrote:
Hi There,
Is there way to get CMD + ` working in full screen mode?
Feedback: www.apple.com/feedback/

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Hello
I have problem with flashplayer on desktop IE11. When i try to toogle between normal size mode video on youtube to fullscreen my IE11 crash on flashplayer problem.
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Well, if you're an IT guy, then you should know..
IE is a Microsoft product - Adobe can't fix it. Only Redmond can, and they've given NO indication that they're in a hurry to do anything about IE11, which has caused widespread problems with Yahoo, Facebook, BBC, CBC, ESPN, NBA and NFL websites to name just a few.
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Hi! I just recently noticed that every time i switch user accounts, my monitor settings get corrupted.
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I already repaired permissions and zapped the pram. The same thing still happens.
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Hello Chuck!
I've had this problem too. Like you, I managed to navigate to do a restart, but nothing else would make the mouse cursor reappear.
Bruce, I wasn't using Biggy, PinPoint or any of the other mouse visibility things, simply the magnification provided by System Preferences.
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Solved!
Go to Solution.

Read this ... in particular, my instructions (written under the name "ravioli" during a time when I was temporarily unable to login to my account) on changing the audio settings on the STB. This could be an HDMI handshake issue with it sensing the encoding technique it should be using for audio.
http://forums.verizon.com/t5/FiOS-TV-Technical-Assistance/No-sound-on-HD-Channels/m-p/212632#M20815

Windows Phone camera App crash when switching to another page

I am creating a Simple Face Detection App for Windows Phone in C#. I turn on my camera , everything works perfect and FaceDetector works too, but when I try to navigate to other page my App always crashes and I do not why. I tried to test my App in Windows
Phone Emulator and here the navigation works. I also tried debug my App in real device, but there the method OnNavigatedFrom is never hit.
FaceDetection.xaml.cs
public partial class FaceDetection : PhoneApplicationPage
#region member variables
const string MODEL_FILE = "models/haarcascade_frontalface_alt.xml";
FaceDetector.Detector _detector;
int _downsampleFactor = 2;
private byte[] _pixelDataGray;
private byte[] _pixelDataDownsampled;
private int[] _pixelDataGrayInt;
private WriteableBitmap _wb;
private DateTime _lastUpdate;
public static int pocet = 5;
double point1;
double point2;
double heightRectangle;
double widthRectangle;
#endregion
public FaceDetection()
InitializeComponent();
_detector = new FaceDetector.Detector(XDocument.Load(MODEL_FILE));
private void NewCameraFrame(object sender, CameraFrameEventArgs cameraFrameEventArgs)
PageOrientation orientaciaObrazovky = ((PhoneApplicationFrame)Application.Current.RootVisual).Orientation;
cameraViewer.UpdateOrientation(orientaciaObrazovky);
var w = cameraViewer.CameraWidth;
var h = cameraViewer.CameraHeight;
if (_pixelDataGray == null || _pixelDataGray.Length != h * w)
_pixelDataGray = new byte[w / _downsampleFactor * h / _downsampleFactor];
_pixelDataDownsampled =
new byte[w / _downsampleFactor * h / _downsampleFactor];
_pixelDataGrayInt = new int[w / _downsampleFactor * h / _downsampleFactor];
_wb = new WriteableBitmap(w / _downsampleFactor, w / _downsampleFactor);
_lastUpdate = DateTime.Now;
Utils.DownSample(cameraFrameEventArgs.ARGBData, w, h, ref _pixelDataGrayInt, _downsampleFactor);
Utils.ARGBToGreyScale(_pixelDataGrayInt, ref _pixelDataGray);
Utils.HistogramEqualization(ref _pixelDataGray);
Utils.GrayToARGB(_pixelDataGray, ref _pixelDataGrayInt);
List<FaceDetector.Rectangle> faces = new List<FaceDetector.Rectangle>();
if (orientaciaObrazovky == PageOrientation.PortraitUp || orientaciaObrazovky == PageOrientation.PortraitDown)
int scalw = w / _downsampleFactor;
int scalh = h / _downsampleFactor;
int[] _pixelDataGrayIntRotated = new int[scalw * scalh];
for (int x = 0; x < scalw; x++)
for (int y = 0; y < scalh; y++)
_pixelDataGrayIntRotated[y + x * scalh] = _pixelDataGrayInt[x + y * scalw];
faces = _detector.getFaces(
_pixelDataGrayIntRotated,
h / _downsampleFactor,
w / _downsampleFactor,
2f, 1.25f, 0.1f, 1, false, false); // height-width swapped
else
faces = _detector.getFaces(
_pixelDataGrayInt,
w / _downsampleFactor,
h / _downsampleFactor,
2f, 1.25f, 0.1f, 1, false, false);
var elapsed = (DateTime.Now - _lastUpdate).TotalMilliseconds;
_pixelDataGrayInt.CopyTo(_wb.Pixels, 0);
_wb.Invalidate();
Dispatcher.BeginInvoke(delegate()
cnvsFaceRegions.Children.Clear();
foreach (var r in faces)
System.Windows.Shapes.Rectangle toAdd = new System.Windows.Shapes.Rectangle();
TranslateTransform loc = new TranslateTransform();
if (orientaciaObrazovky == PageOrientation.PortraitUp)
loc.X = r.X * _downsampleFactor / (double)w * cnvsFaceRegions.ActualWidth;
loc.Y = r.Y * _downsampleFactor / (double)w * cnvsFaceRegions.ActualHeight;
point1 = r.X;
point2 = r.Y;
else if (orientaciaObrazovky == PageOrientation.PortraitDown)
loc.X = r.X * _downsampleFactor / (double)w * cnvsFaceRegions.ActualWidth;
loc.Y = r.Y * _downsampleFactor / (double)w * cnvsFaceRegions.ActualHeight;
point1 = r.X;
point2 = r.Y;
else if (orientaciaObrazovky == PageOrientation.LandscapeLeft)
loc.X = r.X * _downsampleFactor / (double)w * cnvsFaceRegions.ActualWidth - 50;
loc.Y = r.Y * _downsampleFactor / (double)w * cnvsFaceRegions.ActualHeight + 90;
point1 = r.X;
point2 = r.Y;
else if (orientaciaObrazovky == PageOrientation.LandscapeRight)
loc.X = r.X * _downsampleFactor / (double)w * cnvsFaceRegions.ActualWidth+50 ;
loc.Y = r.Y * _downsampleFactor / (double)w * cnvsFaceRegions.ActualHeight -90;
point1 = r.X;
point2 = r.Y;
toAdd.RenderTransform = loc;
toAdd.Width = r.Width * _downsampleFactor + 50;
toAdd.Height = r.Height * _downsampleFactor + 50;
toAdd.Stroke = new SolidColorBrush(Colors.Red);
cnvsFaceRegions.Children.Add(toAdd);
widthRectangle = toAdd.Width;
heightRectangle = toAdd.Height;
point1 = (loc.X);
point2 = (loc.Y);
protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
base.OnNavigatedTo(e);
cameraViewer.SaveToCameraRoll = true;
cameraViewer.NewCameraFrame += NewCameraFrame;
cameraViewer.StartPumpingFrames();
CameraButtons.ShutterKeyHalfPressed += OnButtonHalfPress;
CameraButtons.ShutterKeyPressed += OnButtonFullPress;
CameraButtons.ShutterKeyReleased += OnButtonRelease;
protected override void OnNavigatedFrom(System.Windows.Navigation.NavigationEventArgs e)
base.OnNavigatedFrom(e);
cameraViewer.StopPumpingFrames();
CameraButtons.ShutterKeyHalfPressed -= OnButtonHalfPress;
CameraButtons.ShutterKeyPressed -= OnButtonFullPress;
CameraButtons.ShutterKeyReleased -= OnButtonRelease;
private void OnButtonHalfPress(object sender, EventArgs e)
cameraViewer.NewCameraFrame -= NewCameraFrame;
private void OnButtonFullPress(object sender, EventArgs e)
SaveScreenShots();
private void OnButtonRelease(object sender, EventArgs e)
cameraViewer.NewCameraFrame += NewCameraFrame;
private static WriteableBitmap CropImage(WriteableBitmap source, int xOffset, int yOffset, int width, int height)
var sourceWidth = source.PixelWidth;
var result = new WriteableBitmap(width, height);
for (var x = 0; x <= height - 1; x++)
var sourceIndex = xOffset + (yOffset + x) * sourceWidth;
var destinationIndex = x * width;
Array.Copy(source.Pixels, sourceIndex, result.Pixels, destinationIndex, width);
return result;
private void SaveScreenShots()
string namePerson = PhoneApplicationService.Current.State["TextBoxValue"] as String;
bool b = cnvsFaceRegions.Children.Any();
cnvsFaceRegions.Children.Clear();
if (!b)
MessageBox.Show("No face detected ");
else
for (int j = 1; j <= pocet; j++)
using (var isoStore = IsolatedStorageFile.GetUserStoreForApplication())
var bmp = new WriteableBitmap((int)this.ActualWidth, (int)this.ActualHeight);
bmp.Render(this, null);
byte[] bb = EncodeToJpeg(bmp);
bmp.Invalidate();
WriteableBitmap bmp2 = CropImage(bmp, (int)point1, (int)point2, (int)widthRectangle, (int)heightRectangle);
using (var isoFileStream = isoStore.CreateFile(namePerson + j))
System.Windows.Media.Imaging.Extensions.SaveJpeg(bmp2, isoFileStream, bmp.PixelWidth, bmp.PixelHeight, 0, 100);
isoFileStream.Close();
MessageBox.Show("Saved successfully " + pocet + " images");
cameraViewer.NewCameraFrame += NewCameraFrame;
public byte[] EncodeToJpeg(WriteableBitmap wb)
using (MemoryStream stream = new MemoryStream())
wb.SaveJpeg(
stream,
wb.PixelWidth,
wb.PixelHeight,
0,
85);
return stream.ToArray();
private void cameraViewer_MouseLeftButtonDown_1(object sender, MouseButtonEventArgs e)
cameraViewer.NewCameraFrame -= NewCameraFrame;
private void cameraViewer_MouseLeftButtonUp_1(object sender, MouseButtonEventArgs e)
SaveScreenShots();
private void ApplicationBarMenuItem_Click(object sender, EventArgs e)
NavigationService.Navigate(new Uri("/PersonAndGallery;component/Gallery.xaml", UriKind.Relative));
CameraViewer.cs
public class CameraFrameEventArgs : RoutedEventArgs
public int[] ARGBData { get; set; }
public static class AppGlobal
public static bool isPortrait = true;
public class CameraViewer : Grid
#region Events
public EventHandler<CameraFrameEventArgs> NewCameraFrame { get; set; }
public EventHandler<ContentReadyEventArgs> NewCameraCaptureImage { get; set; }
public EventHandler<CameraOperationCompletedEventArgs> CamInitialized { get; set; }
#endregion
#region Properties
public int CameraWidth
get { return _cameraWidth; }
set { _cameraWidth = value; }
public int CameraHeight
get { return _cameraHeight; }
set { _cameraHeight = value; }
public bool PhotoOnPress
get { return _photoOnPress; }
set
_photoOnPress = value;
// CameraButtons.ShutterKeyPressed -= CameraButtonsOnShutterKeyPressed;
if (_photoOnPress)
// CameraButtons.ShutterKeyPressed += CameraButtonsOnShutterKeyPressed;
public bool SaveToCameraRoll { get; set; }
public PhotoCamera Camera
get { return _camera; }
public bool TakingPhoto
get { return _takingPhoto; }
#endregion
#region Member Variables
private PhotoCamera _camera; // the windows phone camera that takes the photos
private int _cameraWidth = -1;
private int _cameraHeight = -1;
private Thread _pumpFramesThread;
private static ManualResetEvent _pauseFramesEvent = new ManualResetEvent(true);
private bool _takingPhoto;
VideoBrush viewfinderBrush;
private bool _photoOnPress;
private SoundEffect _cameraShutterSound;
private static ManualResetEvent _cameraCaptureEvent = new ManualResetEvent(true);
private static ManualResetEvent _cameraInitializedEvent = new ManualResetEvent(false);
private bool _pumpFrames;
#endregion
#region Constructor
public CameraViewer()
Unloaded += new RoutedEventHandler(OnUnloaded);
PhotoOnPress = true;
public override void OnApplyTemplate()
base.OnApplyTemplate();
#endregion
#region Public methods
public void StartPumpingFrames()
_pauseFramesEvent = new ManualResetEvent(true);
_cameraCaptureEvent = new ManualResetEvent(true);
_cameraInitializedEvent = new ManualResetEvent(false);
InitializeCamera();
_pumpFrames = true;
if (_pumpFramesThread == null)
_pumpFramesThread = new Thread(PumpFrames);
if (!_pumpFramesThread.IsAlive)
_pumpFramesThread.Start();
public void StopPumpingFrames()
_pumpFrames = false;
_pumpFramesThread = null;
Camera.Dispose();
public void TakePhoto()
if (TakingPhoto)
return;
_cameraCaptureEvent.Reset();
FrameworkDispatcher.Update();
_cameraShutterSound.Play();
_takingPhoto = true;
Camera.CaptureImage();
#endregion
private void CameraButtonsOnShutterKeyPressed(object sender, EventArgs eventArgs)
if (_photoOnPress && !TakingPhoto)
_cameraCaptureEvent.WaitOne();
TakePhoto();
private void OnUnloaded(object sender, RoutedEventArgs e)
_cameraInitializedEvent.Reset();
public void InitializeCamera()
_cameraInitializedEvent.Reset();
// Check to see if the camera is available on the device.
if ((PhotoCamera.IsCameraTypeSupported(CameraType.Primary) == true) ||
(PhotoCamera.IsCameraTypeSupported(CameraType.FrontFacing) == true))
// Initialize the default camera.
_camera = new Microsoft.Devices.PhotoCamera();
//Event is fired when the PhotoCamera object has been initialized
Camera.Initialized +=
new EventHandler<Microsoft.Devices.CameraOperationCompletedEventArgs>(CameraInitialized);
Camera.CaptureImageAvailable += CameraOnCaptureImageAvailable;
Camera.CaptureCompleted += CameraOnCaptureCompleted;
//Set the VideoBrush source to the camera
// var viewfinderBrush = new VideoBrush();
viewfinderBrush = new VideoBrush();
viewfinderBrush.Stretch = Stretch.Fill;
viewfinderBrush.RelativeTransform = new CompositeTransform { CenterX = 0.5, CenterY = 0.5 };
viewfinderBrush.SetSource(Camera);
System.Windows.Shapes.Rectangle rect = new System.Windows.Shapes.Rectangle();
rect.Fill = viewfinderBrush;
this.Children.Add(rect);
Stream stream = TitleContainer.OpenStream("models/shutter.wav");
_cameraShutterSound = SoundEffect.FromStream(stream);
// CameraButtons.ShutterKeyPressed -= CameraButtonsOnShutterKeyPressed;
if (_photoOnPress)
// CameraButtons.ShutterKeyPressed += CameraButtonsOnShutterKeyPressed;
else
// The camera is not supported on the device.
MessageBox.Show(
"Sorry, this sample requires a phone camera and no camera is detected. This application will not show any camera output.");
private void CameraOnCaptureCompleted(object sender, CameraOperationCompletedEventArgs cameraOperationCompletedEventArgs)
_cameraCaptureEvent.Set();
_takingPhoto = false;
private void CameraOnCaptureImageAvailable(object sender, ContentReadyEventArgs contentReadyEventArgs)
if (SaveToCameraRoll)
Dispatcher.BeginInvoke(() =>
WriteableBitmap bitmap =
CreateWriteableBitmap(contentReadyEventArgs.ImageStream,
(int)Camera.Resolution.Width,
(int)Camera.Resolution.Height);
// SaveCapturedImage(bitmap);
//TakeScreenShots();
if (NewCameraCaptureImage != null)
NewCameraCaptureImage.Invoke(this, contentReadyEventArgs);
// Helper for CameraOnCaptureImageAvailable
private void SaveCapturedImage(WriteableBitmap imageToSave)
var stream = new MemoryStream();
imageToSave.SaveJpeg(stream, imageToSave.PixelWidth, imageToSave.PixelHeight, 0, 100);
//Take the stream back to its beginning because it will be read again
//when saving to the library
stream.Position = 0;
var library = new MediaLibrary();
string fileName = string.Format("{0:yyyy-MM-dd-HH-mm-ss}.jpg", DateTime.Now);
library.SavePictureToCameraRoll(fileName, stream);
//save to Save Photo
Picture pic;
private void TakeScreenShots()
WriteableBitmap bmp = new WriteableBitmap((int)this.ActualWidth, (int)this.ActualHeight);
bmp.Render(this, null);
byte[] bb = EncodeToJpeg(bmp);
bmp.Invalidate();
MemoryStream mem = new MemoryStream();
bmp.SaveJpeg(mem, bmp.PixelWidth, bmp.PixelHeight, 0, 100);
mem.Seek(0, System.IO.SeekOrigin.Begin);
if (mem != null)
MediaLibrary library = new MediaLibrary();
try
pic = library.SavePicture("Mask_" + Guid.NewGuid().ToString(), mem);
MessageBox.Show("Your picture is now accessible through the Saved Picture album.", "Saved successfully.", MessageBoxButton.OK);
catch (Exception ex)
MessageBox.Show("Unable to save the photo." + ex);
public byte[] EncodeToJpeg(WriteableBitmap wb)
using (MemoryStream stream = new MemoryStream())
wb.SaveJpeg(
stream,
wb.PixelWidth,
wb.PixelHeight,
0,
85);
return stream.ToArray();
// Creates a WriteableBitmap from an imageStream
private WriteableBitmap CreateWriteableBitmap(Stream imageStream, int width, int height)
var bitmap = new WriteableBitmap(width, height);
imageStream.Position = 0;
bitmap.LoadJpeg(imageStream);
return bitmap;
private void CameraInitialized(object sender, CameraOperationCompletedEventArgs e)
if (e.Succeeded)
try
// available resolutions are ordered based on number of pixels in each resolution
CameraWidth = (int)Camera.PreviewResolution.Width;
CameraHeight = (int)Camera.PreviewResolution.Height;
if (CamInitialized != null)
CamInitialized.Invoke(this, e);
_cameraInitializedEvent.Set();
_pauseFramesEvent.Set();
catch (ObjectDisposedException)
// If the camera was disposed, try initializing again
private void PumpFrames()
_cameraInitializedEvent.WaitOne();
int[] pixels = new int[CameraWidth * CameraHeight];
int numExceptions = 0;
while (_pumpFrames)
_pauseFramesEvent.WaitOne();
_cameraCaptureEvent.WaitOne();
_cameraInitializedEvent.WaitOne();
try
Camera.GetPreviewBufferArgb32(pixels);
catch (Exception e)
// If we get an exception try capturing again, do this up to 10 times
if (numExceptions >= 10)
throw e;
numExceptions++;
continue;
numExceptions = 0;
_pauseFramesEvent.Reset();
Deployment.Current.Dispatcher.BeginInvoke(
() =>
if (NewCameraFrame != null && _pumpFrames)
NewCameraFrame(this, new CameraFrameEventArgs { ARGBData = pixels });
_pauseFramesEvent.Set();
//na zmenu orientacie
public void UpdateOrientation(PageOrientation orientation)
if (orientation == PageOrientation.PortraitDown)
viewfinderBrush.RelativeTransform =
new CompositeTransform { CenterX = 0.5, CenterY = 0.5, Rotation = 270 };
/* else if (orientation == PageOrientation.PortraitDown && cameraType == 2)
viewfinderBrush.RelativeTransform =
new CompositeTransform { CenterX = 0.5, CenterY = 0.5, Rotation = 90 };
else if (orientation == PageOrientation.PortraitUp && cameraType == 2)
viewfinderBrush.RelativeTransform =
new CompositeTransform { CenterX = 0.5, CenterY = 0.5, Rotation = -90 };
else if (orientation == PageOrientation.PortraitUp)
viewfinderBrush.RelativeTransform =
new CompositeTransform { CenterX = 0.5, CenterY = 0.5, Rotation =90 };
else if (orientation == PageOrientation.LandscapeLeft)
viewfinderBrush.RelativeTransform =
new CompositeTransform { CenterX = 0.5, CenterY = 0.5, Rotation = 0 };
else if (orientation == PageOrientation.LandscapeRight)
viewfinderBrush.RelativeTransform =
new CompositeTransform { CenterX = 0.5, CenterY = 0.5, Rotation = -180 };
Thanks for reply.

Hi Facko,
Thanks for posting at the forum, however it could be really difficult for us to copy/paste your code and try to repro the issue, I would suggest you to provide a repro sample for us so that we can debug for you.
And base on your description, looks like your app only crashes on the real device, but not on the emulator. I have question here, how the app works on the emulator?
As I know if we open the camera on emulator, the only thing we can see is kind of small color blocks instead of the real images.
You could also try to close the camera and then dispose the object to see if it works.
--James
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EA1: BUG: View Table Data: Filter gets lost when switching tabs

Hi,
open a table, choose the data tab and enter a filter condition. The data is filtered.
Bug is
a) choose e.g. constraint tab for the same table and then again the data tab. Data remains filtered, but filter is not displayed
b) pin the table, open another table, navigate back to the previous table. Data remains filtered, but filter is not displayed.
Regards
Stephan

The issue was reported already and will probably be fixed in EA2...
Regards,
K.

YouTube fullscreen mode lost when switch to another window

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