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PDFViewer Thumbnail Size

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PDFViewer
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Joe Bohen
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Joe Bohen asked on 14 Oct 2019, 06:35 PM
Is it possible to change the size of the thumbnails from code behind?

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Martin
Telerik team
answered on 17 Oct 2019, 02:29 PM

Hi Joe,

If I understand you correctly, you are trying to change the size of the thumbnails in the Page Thumbnails section of the RadPdfViewer. We have a good example in our GitHub repository for how to customize the look of RadPdfViewer by adding thumbnail functionality and especially for your case how to set a custom size of the thumbnails using the ThumbnailsConverter class

<converters:ThumbnailsConverter x:Key="ThumbnailsConverter" ThumbnailsHeight="100" />

In case you are using the PDFViewer`s API for exporting a PDF document page to an image, you can set the thumbnail size when you are Exporting the FIxed Page to Image:

ThumbnailFactory thumbnailFactory = new ThumbnailFactory(); 
ImageSource imageSource = thumbnailFactory.CreateThumbnail(radFixedPageInstance, new Size(150, 250)); 

If none of these cases is yours, it would be helpful if you can share more information about the requirements and the expected results.

Regards,
Martin
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Joe Bohen
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Martin
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