System.InvalidOperationException: This method is not supported.
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.DocumentModel.Core.ColorSpaces.ColorSpace.GetPixels(XImage image, Byte[] data)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.DocumentModel.Core.XObjects.XImage.GetRegularPixels(XImage image, Byte[] data)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.DocumentModel.Core.XObjects.XImage.CreateImageSource(Byte[] data)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.PdfReader.PdfResourceManager.GetGlobalImageSource(ResourceKey key)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.PdfReader.PdfResourceManager.GetImageSource(ResourceKey key)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.PdfFormatProvider.GetImageSource(ResourceKey key)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.PdfFormatProvider.GetImageSource(Image image)
   at Telerik.WinControls.PdfViewer.FixedPageRenderer.DrawImage(Image image, Graphics graphics)
   at Telerik.WinControls.PdfViewer.FixedPageRenderer.DrawContentElement(IContentElement contentElement, Graphics graphics)
   at Telerik.WinControls.PdfViewer.FixedPageRenderer.DrawContainer(Container container, Graphics graphics)
   at Telerik.WinControls.PdfViewer.FixedPageRenderer.DrawContentElement(IContentElement contentElement, Graphics graphics)
   at Telerik.WinControls.PdfViewer.FixedPageRenderer.DrawContainer(Container container, Graphics graphics)
   at Telerik.WinControls.PdfViewer.FixedPageRenderer.DrawContentElement(IContentElement contentElement, Graphics graphics)
   at Telerik.WinControls.PdfViewer.FixedPageRenderer.DrawContainer(Container container, Graphics graphics)
   at Telerik.WinControls.PdfViewer.FixedPageRenderer.DrawContentElement(IContentElement contentElement, Graphics graphics)
   at Telerik.WinControls.PdfViewer.FixedPageRenderer.DrawPage(ContentCollection content, Graphics graphics, Matrix pageTransform)
   at Telerik.WinControls.UI.RadFixedPageElement.pageRenderer_DoWork(Object sender, DoWorkEventArgs e)
   at System.ComponentModel.BackgroundWorker.OnDoWork(DoWorkEventArgs e)
   at System.ComponentModel.BackgroundWorker.WorkerThreadStart(Object argument)