private async void OnButton4_Click(object sender, RoutedEventArgs e)
{
MakeBtnRed(sender);
var checker = new StatusChecker();
checker.StatusUpdated = false;
//await checker.UpdateStatus().ConfigureAwait(false); // this one does not hang and sees the right value
//Task www = checker.UpdateStatus(); // this one hangs forever
Task.Run(delegate { return checker.UpdateStatus(); }); // this one hangs forever
while (!checker.StatusUpdated || _isGetOut) ;
MakeBtnGreen(sender);
}