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Can I show an image using Silverlight and prevent it from being copied?

Posted on 2011-02-21
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Last Modified: 2012-05-11
I hope to write a Silverlight and/or a Silverlight out of browser application involving certain images which can be viewed by certain users.

How can I disable the clipboard when a picture has the focus? Or remove the "Copy" menu item from the context menu on a right click on that image?

(I assume I will be running in the browser)

I don't want the user to copy the picture and thereby make the picture public.

Thanks,
newbieweb
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Question by:newbieweb
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5 Comments
 

Author Comment

by:newbieweb
ID: 34946485
also, I guess I would also need to block Windows from enabling the PrtScrn feature as well.  Otherwise they willl take a picture of the entire window and carve out the picturte they want to see...

newbieweb
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LVL 8

Accepted Solution

by:
Toxacon earned 2000 total points
ID: 34946693
Check the clipboard content periodically when the window is active. If it suddenly contains an image, just discard the clipboard content.
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Author Comment

by:newbieweb
ID: 34947034
> Check the clipboard content periodically when the window is active

Wouldn't I need to check it, say, 500 Milliseconds after every keystroke? Then I ensure that I delete the clipboard before they have time to copy it to MS Paint?

But i'sn't there a more direct way to block the feature?  I'd need to block "Save picture as..." as well.

I need to be able to force the use of my context menu when it's a JPG background, then remove certain options from that new menu I impose.

Do you konw how to do this?

newbieweb
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Author Closing Comment

by:newbieweb
ID: 34948543
Thanks
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LVL 16

Expert Comment

by:Kalpesh Chhatrala
ID: 34948557
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