private async Task InitializeAsync(FileSystemStorageFile PdfFile)
{
LoadingControl.IsLoading = true;
try
{
using (IRandomAccessStream PdfStream = await PdfFile.GetRandomAccessStreamFromFileAsync(FileAccessMode.Read))
{
try
{
Pdf = await PdfDocument.LoadFromStreamAsync(PdfStream);
}
catch (Exception)
{
PdfPasswordDialog Dialog = new PdfPasswordDialog();
if ((await Dialog.ShowAsync()) == ContentDialogResult.Primary)
{
Pdf = await PdfDocument.LoadFromStreamAsync(PdfStream, Dialog.Password);
}
else
{
Frame.GoBack();
return;
}
}
}
NumIndicator.Text = Convert.ToString(Pdf.PageCount);
TextBoxControl.Text = "1";
for (uint i = 0; i < Pdf.PageCount; i++)
{
PdfCollection.Add(new BitmapImage());
LoadTable.Add(i);
}
Flip.ItemsSource = PdfCollection;
await JumpToPageIndexAsync(0);
}
catch (Exception)
{
QueueContentDialog Dialog = new QueueContentDialog
{
Title = Globalization.GetString("Common_Dialog_ErrorTitle"),
Content = Globalization.GetString("QueueDialog_PDFOpenFailure"),
CloseButtonText = Globalization.GetString("Common_Dialog_GoBack")
};
_ = await Dialog.ShowAsync();
Frame.GoBack();
}
finally
{
await Task.Delay(500);
LoadingControl.IsLoading = false;
}
}
private async Task Initialize(FileSystemStorageItemBase PdfFile)
{
LoadingControl.IsLoading = true;
MainPage.ThisPage.IsAnyTaskRunning = true;
PdfCollection = new ObservableCollection <BitmapImage>();
LoadQueue = new Queue <int>();
ExitLocker = new ManualResetEvent(false);
Cancellation = new CancellationTokenSource();
Flip.ItemsSource = PdfCollection;
MaxLoad = 0;
LastPageIndex = 0;
try
{
using (IRandomAccessStream PdfStream = await PdfFile.GetRandomAccessStreamFromFileAsync(FileAccessMode.Read).ConfigureAwait(true))
{
try
{
Pdf = await PdfDocument.LoadFromStreamAsync(PdfStream);
}
catch (Exception)
{
PdfPasswordDialog Dialog = new PdfPasswordDialog();
if ((await Dialog.ShowAsync().ConfigureAwait(true)) == ContentDialogResult.Primary)
{
Pdf = await PdfDocument.LoadFromStreamAsync(PdfStream, Dialog.Password);
}
else
{
Frame.GoBack();
return;
}
}
}
for (uint i = 0; i < 10 && i < Pdf.PageCount && !Cancellation.IsCancellationRequested; i++)
{
using (PdfPage Page = Pdf.GetPage(i))
using (InMemoryRandomAccessStream PageStream = new InMemoryRandomAccessStream())
{
await Page.RenderToStreamAsync(PageStream);
BitmapImage DisplayImage = new BitmapImage();
PdfCollection.Add(DisplayImage);
await DisplayImage.SetSourceAsync(PageStream);
}
}
}
catch (Exception)
{
QueueContentDialog Dialog = new QueueContentDialog
{
Title = Globalization.GetString("Common_Dialog_ErrorTitle"),
Content = Globalization.GetString("QueueDialog_PDFOpenFailure"),
CloseButtonText = Globalization.GetString("Common_Dialog_GoBack")
};
_ = await Dialog.ShowAsync().ConfigureAwait(true);
Frame.GoBack();
}
finally
{
ExitLocker.Set();
if (!Cancellation.IsCancellationRequested)
{
Flip.SelectionChanged += Flip_SelectionChanged;
Flip.SelectionChanged += Flip_SelectionChanged1;
}
await Task.Delay(1000).ConfigureAwait(true);
LoadingControl.IsLoading = false;
MainPage.ThisPage.IsAnyTaskRunning = false;
}
}
private async Task Initialize(FileSystemStorageFile PdfFile)
{
LoadingControl.IsLoading = true;
PdfCollection.Clear();
LoadQueue.Clear();
Cancellation = new CancellationTokenSource();
MaxLoad = 0;
LastPageIndex = 0;
try
{
using (IRandomAccessStream PdfStream = await PdfFile.GetRandomAccessStreamFromFileAsync(FileAccessMode.Read))
{
try
{
Pdf = await PdfDocument.LoadFromStreamAsync(PdfStream);
}
catch (Exception)
{
PdfPasswordDialog Dialog = new PdfPasswordDialog();
if ((await Dialog.ShowAsync()) == ContentDialogResult.Primary)
{
Pdf = await PdfDocument.LoadFromStreamAsync(PdfStream, Dialog.Password);
}
else
{
Frame.GoBack();
return;
}
}
}
for (uint i = 0; i < 10 && i < Pdf.PageCount && !Cancellation.IsCancellationRequested; i++)
{
using (PdfPage Page = Pdf.GetPage(i))
using (InMemoryRandomAccessStream PageStream = new InMemoryRandomAccessStream())
{
await Page.RenderToStreamAsync(PageStream, new PdfPageRenderOptions
{
DestinationHeight = Convert.ToUInt32(Page.Size.Height * 1.5),
DestinationWidth = Convert.ToUInt32(Page.Size.Width * 1.5)
});
BitmapImage DisplayImage = new BitmapImage();
PdfCollection.Add(DisplayImage);
await DisplayImage.SetSourceAsync(PageStream);
}
}
}
catch (Exception)
{
QueueContentDialog Dialog = new QueueContentDialog
{
Title = Globalization.GetString("Common_Dialog_ErrorTitle"),
Content = Globalization.GetString("QueueDialog_PDFOpenFailure"),
CloseButtonText = Globalization.GetString("Common_Dialog_GoBack")
};
_ = await Dialog.ShowAsync();
Frame.GoBack();
}
finally
{
if (!Cancellation.IsCancellationRequested)
{
Flip.SelectionChanged += Flip_SelectionChanged;
Flip.SelectionChanged += Flip_SelectionChanged1;
}
await Task.Delay(1000);
LoadingControl.IsLoading = false;
}
}
