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We get a null reference exception when using the PDFviewer
This only occurs on the UWP version and crashes on a MoveNext event.
It works on Android.


   at Syncfusion.SfPdfViewer.XForms.UWP.SfPdfViewerControl.<SfPdfViewerControl_SizeChanged>d__74.MoveNext()

--- End of stack trace from previous location where exception was thrown ---

   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.<>c.<ThrowAsync>b__6_0(Object state)

   at System.Threading.WinRTSynchronizationContextBase.Invoker.InvokeCore()

Thanks in advance.