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Chris Herrington  
#1 Posted : Tuesday, October 04, 2005 9:45:19 PM(UTC)
Chris Herrington

Rank: Advanced Member

Groups: Member
Joined: 9/6/2005(UTC)
Posts: 106

Dmitry, The images that I am using your control to your viewer need to be protected from printing. I was unaware that the control loaded the image onto the client machine in the temporary internet files. A lot of other controls manipulate it from the server side. The customers that I am working with charges a lot of money for copies and they will lose money if people can get the image from the temporary internet files. Do you have any suggestions on how I can prevent this from happening? I need to prevent these images from being printed. I have all of that prevented on the web page but not in the temporary internet files. I was hoping that maybe you could do some encryption on the client side so that the jpg can only be understood by the control. Thanks in advance Chris
Fedor  
#2 Posted : Friday, October 07, 2005 7:41:11 PM(UTC)
Fedor

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Joined: 7/28/2003(UTC)
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Hello Chris,
Quote:
Chris Herrington (10/5/2005) The images that I am using your control to your viewer need to be protected from printing. I was unaware that the control loaded the image onto the client machine in the temporary internet files.
Bitmap Viewer web control is just client-side pure HTML/JavaScript solution. It doesn't manage temporary internet files. Internet Explorer save cache files there automatically. If you used Firefox or any other browser, then cache files were not saved in temporary internet files folder, and were saved in other Firefox specific place. This place is out of Bitmap Viewer control.
Quote:
Chris Herrington (10/5/2005) A lot of other controls manipulate it from the server side. The customers that I am working with charges a lot of money for copies and they will lose money if people can get the image from the temporary internet files.
Bitmap Viewer also manipulates images on server, however image should be delivered to client for displaying. I don't see the way to protect from Bitmap Viewer printscreen and then its printing.
Quote:
Chris Herrington (10/5/2005) Do you have any suggestions on how I can prevent this from happening? I need to prevent these images from being printed. I have all of that prevented on the web page but not in the temporary internet files. I was hoping that maybe you could do some encryption on the client side so that the jpg can only be understood by the control.
Right now I don't see the reliable way to disable prinitng on client side.
Best regards, Fedor Skvortsov
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