private void ShowRequestedPage()
{
NavigationContext.QueryString.TryGetValue("Tab", out currentTab);
currentTab = currentTab ?? "Load";
switch (currentTab)
{
case "Scan":
LoadingPanel.Visibility = Visibility.Collapsed;
ScanPanel.Visibility = Visibility.Visible;
WorkPanel.Visibility = Visibility.Collapsed;
while (NavigationService.BackStack.Any())
{
NavigationService.RemoveBackEntry();
}
break;
case "Drop":
LoadingPanel.Visibility = Visibility.Collapsed;
ScanPanel.Visibility = Visibility.Collapsed;
WorkPanel.Visibility = Visibility.Visible;
LoadPhoto(LatestPhotoFilename).ContinueWith(SetupDropTab);
// for reasons completely past my understanding, we need to do this inside the UI thread for it to work. I thought
// OnNavigatedTo was already on the ui thread? Ahwell.
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
Filename.Focus();
Filename.SelectAll();
});
break;
case "Load":
default:
LoadingPanel.Visibility = Visibility.Visible;
ScanPanel.Visibility = Visibility.Collapsed;
WorkPanel.Visibility = Visibility.Collapsed;
break;
}
}
