An exception is thrown when loading a document:
FileNotFoundException: Could not load file or assembly 'Microsoft.Web.WebView2.WinForms, Version=1.0.3719.77, Culture=neutral, PublicKeyToken=2a8ab48044d2601e' or one of its dependencies. The system cannot find the file specified.
In the following scenario, the item's text in the drop-down list shows different text from the selected item.
When the document is open in a web browser :
When the document is open in the RadPdfViewer control.
Editor open and editor closed:
In the following case, we have a document with hyperlinks that scroll to a specific location in the document. Clicking on the links does not scroll to the specified location.
For example, if you choose to print second page like this:
It prints only the first page of the document, instead of the second page.
The following assemblies are missing in the 2024_4_1127_Dev_Preview zip folder:
- Telerik.Windows.Documents.Flow.FormatProviders.Doc
- Telerik.Windows.Documents.Flow.FormatProviders.Pdf
- Telerik.Documents.SpreadsheetStreaming.dll
The problem I'm trying to solve is that users do not know that the original document may not be what they are seeing in the viewer when there are layers.
A property that indicates
that a document has layers would allow the system to refuse to open the document.
Is there a way to load this RadFixedDocument into a RadPdfViewer without writing the document to a file first and then loading it in the viewer?
Workaround:
You can achieve the desired functionality by exporting the RadFixedDocument to a MemoryStream instead of a file in the file system and then load it in the PdfViewer:
RadFixedDocument document = CreateRadFixedDocument();
PdfFormatProvider pdfFormatProvider = new PdfFormatProvider();
Stream ms = new MemoryStream();
pdfFormatProvider.Export(document, ms);
radPdfViewer1.LoadDocument(ms);
When creating many instances of RadPdfViewer:
static void Main(string[] args)
{
int i = 1;
try
{
Stopwatch stopwatch = Stopwatch.StartNew();
while (true)
{
using (RadPdfViewer pdfViewer = new RadPdfViewer())
{
}
Console.WriteLine($"iteration {i}, elapsed seconds: {stopwatch.Elapsed.TotalSeconds}");
i++;
}
}
catch (Exception e)
{
Console.WriteLine($"Exception occurred at iteration {i}");
Console.WriteLine(e);
Console.ReadLine();
}
}the following error occurs:
System.Runtime.InteropServices.ExternalException (0x80004005): A generic error occurred in GDI+. at System.Drawing.Bitmap.GetHicon() at Telerik.WinControls.PdfViewer.MouseHandlers.PanHandler..ctor(MouseHandlersController controller, IFixedDocumentPresenter presenter) at Telerik.WinControls.PdfViewer.MouseHandlers.MouseHandlersController.BuildHandlers(IFixedDocumentPresenter presenter) at Telerik.WinControls.PdfViewer.MouseHandlers.MouseHandlersController..ctor(IFixedDocumentPresenter presenter) at Telerik.WinControls.UI.RadPdfViewerElement..ctor() at Telerik.WinControls.UI.RadPdfViewer.CreateViewerElement() at Telerik.WinControls.UI.RadPdfViewer.CreateChildItems(RadElement parent) at Telerik.WinControls.RadControl.Telerik.WinControls.IComponentTreeHandler.CreateChildItems(RadElement parent) at Telerik.WinControls.RadElementTree.InitializeRootElement() at Telerik.WinControls.RadControl.Construct() at Telerik.WinControls.RadControl..ctor() at Telerik.WinControls.UI.RadPdfViewer..ctor()
Handled InvalidDataException occurs while Zip Library tries to decompress wrongly decrypted stream.
