private static async void OnPdfPropertyChanged(DependencyObject source, DependencyPropertyChangedEventArgs e)
{
PdfViewerControl control = source as PdfViewerControl;
var pdfSource = e.NewValue as String;
if (string.IsNullOrEmpty(pdfSource))
{
return;
}
try
{
if (control != null)
{
control.ClearSource();
var file = await StorageFile.GetFileFromApplicationUriAsync(new Uri(pdfSource));
await ShowProgressIndicatorIfNecessary(control, file);
control.LoadPDF(file);
}
}
catch
{
// TODO Log exception here
}
}
private static async Task ShowProgressIndicatorIfNecessary(PdfViewerControl control, StorageFile file)
{
var size = await file.GetSize();
var sizeInMB = size / 1048576.0;
if (sizeInMB > ProgressIndicationFileSizeLimitInMB)
{
control.IsLoading = true;
control.IsPdfError = false;
}
}