public IAsyncAction HideAsync()
{
return(AsyncAction.FromTask(async ct =>
{
CoreDispatcher.CheckThreadAccess();
UIApplication.SharedApplication.StatusBarHidden = true;
Hiding?.Invoke(this, null);
}));
}
public IAsyncAction ShowAsync()
{
return(AsyncAction.FromTask(async ct =>
{
CoreDispatcher.CheckThreadAccess();
_isShown = true;
UpdateSystemUiVisibility();
Showing?.Invoke(this, null);
}));
}
private async void RefreshImageAsync(Windows.Foundation.Rect drawRect)
{
CoreDispatcher.CheckThreadAccess();
var cd = new CancellationDisposable();
_refreshPaint.Disposable = cd;
await RefreshImage(cd.Token, drawRect);
}
/// <summary>
/// Gets the status bar for the current window (app view).
/// </summary>
/// <returns>The status bar for the current window (app view).</returns>
public static StatusBar GetForCurrentView()
{
CoreDispatcher.CheckThreadAccess();
if (_statusBar == null)
{
_statusBar = new StatusBar();
}
return(_statusBar);
}
public IVectorView <object> GetView()
{
IVectorView <object> spResult;
CoreDispatcher.CheckThreadAccess(); // CheckThread();
spResult = new TrackerView <object>();
(spResult as TrackerView <object>).SetCollection(this);
return(spResult);
}
private async void OpenImageAsync(ImageSource newValue)
{
CoreDispatcher.CheckThreadAccess();
using var cd = new CancellationDisposable();
_imageScheduler.Disposable = cd;
var image = await Task.Run(() => newValue.Open(cd.Token), cd.Token);
if (cd.Token.IsCancellationRequested)
{
return;
}
SetImage(image);
}
public T GetDeferral()
{
_deferralsCount++;
var isCompleted = false;
return(_deferralFactory(OnDeferralCompleted));
void OnDeferralCompleted()
{
#if !__WASM__ // Disable check on WASM until threading is supported
CoreDispatcher.CheckThreadAccess();
#endif
if (isCompleted)
{
throw new InvalidOperationException("Deferral already completed.");
}
isCompleted = true;
DeferralCompleted();
}
}
public void ExitFullScreenMode()
{
CoreDispatcher.CheckThreadAccess();
UpdateFullScreenMode(false);
}
public bool TryEnterFullScreenMode()
{
CoreDispatcher.CheckThreadAccess();
UpdateFullScreenMode(true);
return(true);
}
public void ExitFullScreenMode()
{
CoreDispatcher.CheckThreadAccess();
UIApplication.SharedApplication.StatusBarHidden = false;
}
public bool TryEnterFullScreenMode()
{
CoreDispatcher.CheckThreadAccess();
UIApplication.SharedApplication.StatusBarHidden = true;
return(UIApplication.SharedApplication.StatusBarHidden);
}
private void CheckThread() => CoreDispatcher.CheckThreadAccess();
// BEGIN UNO Specific protected void CheckThread() => CoreDispatcher.CheckThreadAccess();
