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Hosted IE Control NTLM Authentication

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51822 Nov 14,2006 08:40 PM UTC WinForms 0
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Tags: FAQ
Nick G
Asked On November 14, 2006 08:40 PM UTC

Hello,

I'm hoping someone can help me. I'm trying to embed a .NET 2.0 custom UserControl into Internet Explorer with a PictureBox that will dynamically display images from the originating web site. For example, a user would go to the page and would have a picture displayed in the viewer and then press back/forward buttons to navigate through a series of images.

This works using an HttpWebRequest to get the image when I'm not going through a proxy but it fails otherwise. It seems it requires the CredentialCache.DefaultCredentials to authenticate with the proxy, but the default Internet permissions don't allow this (Intranet does). Is there some other way to call up an image from the site? I know this can be done in a Java applet using JApplet.getImage(getDocumentBase(),"filename.jpg"); so I'm hoping it can also be done in .NET without requiring any additional permissions.

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