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    <p>Tyler - You mention that on initial launch, the application does retrieve the images from an IP address (on the internet I presume)?</p> <blockquote> <p>This means on first time setup after a user has entered the IP address of the image store I can ask them to wait a few minutes while it's all retrieved/resized/cached. From then on they can have nice and snappy performance.</p> </blockquote> <p>If that is correct, what I think some of the answers have suggested in creating a proxy is actually a feasible solution. I would structure it like this:</p> <p>Your App -> Web Request to Proxy Handler</p> <pre><code>string imageUrl = HttpUtility.UrlEncode("http://[user's_ip]/path_to_image.png"); http://domain.com/your_proxy.ashx?users_image_url=imageUrl </code></pre> <p>Your proxy handler on the back end should request the image, resize it, and return the resized image back to your application.</p> <p>Your App -> Cache the Returned Resized Image</p> <p>Loop as needed...</p> <p>UPDATED:</p> <p>It turns out there is a way to resize images on WP7 outside of the UI thread using the native WriteableBitmap class. There is a method called .SaveJpeg() that allows this, and we're using it currently in our WP7 application CitySourced. Your code should look something like this:</p> <pre><code>wb.SaveJpeg(stream, width, height, orientation, quality); </code></pre> <p>The only bummer is that it only works by writing a .JPG file and there's no .PNG support. Let me know if this works for your use case.</p>
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    1. POResizing images on Windows Phone 7 on thread pool thread?
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    1. COOn a side note, I would presume the server would be able to resize the image much faster than the device, so this would probably be a faster solution than having the device handle the resizing. Additionally, the resized image would arrive to the device faster than downloading the original, larger image.
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    2. CONice try but you didn't read the rest of the comments did you? :p My application is used on a home network over wifi. I don't want to build in a need for the internet.
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    3. COYou could build the handler to work on an intranet website (accessible via private ip address or hosts file modification) and it would work the same as if it were a public facing handler.
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