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Silverlight Viewer native printing is very large sometimes

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answered on 23 Jul 2013, 07:02 AM

Hello Dan,

In Q3 2012 we have started to build the Silverlight report viewer against Silverlight 5. In this Silverlight version MS have added vector printing and greatly reduced the printing document size.

In your case our suggestion is to clear the client machine browser cache, to make sure that an old version of the Silverlight client application is not cached by the browser. Additionally you can try with another browser.

Generally the Silverlight native print don't depend in any way on the used PDF plugin.

Regards,
Peter
Telerik

Have you tried the new visualization options in Telerik Reporting Q2 2013? You can get them from your account.

answered on 23 Jul 2013, 05:06 PM

I think what is happening is that it tries to print in vector, but it can't find the postscript printer drivers. If Silverlight 5 can't find the postscript drivers then it goes to bitmap printing. But you can force vector printing in Silvelight 5 and I was wondering if I could do that in reports. Code to force vector printing is like:

PrinterFallbackSettings settings = new PrinterFallbackSettings();

settings.ForceVector = true;

settings.OpacityThreshold = 0.5;

I go this code from:
http://10rem.net/blog/2011/06/11/silverlight-5-vector-and-bitmap-printing-for-reports-and-more

This customer we have uses a VDI systems for their desktop and it's probably because they haven't set up the printer drivers correctly to work in the environment. I am unable to do anything about this from my end, so I was wondering if I could just force vector printing.