Hi Dib ,
Thank you for using Syncfusion products.
We are able to reproduce the scenario with the feature for
setting ZoomMode from code behind is not available in PdfViewer.
Could you please report this issue through Direct Trac
Developer Support System (https://www.syncfusion.com/account/login?ReturnUrl=%2fsupport%2fdirecttrac%2fincidents
),
because you can take the advantage of the expertise of a dedicated support
engineer and a guaranteed response time and we hope you will take advantage of
this system as well. If you have already reported, please ignore this.
Please let us know if you have any other questions.
Regards,
Meikandan