Introduction to XAML Browser Applications (XBAP): ASP Alliance

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Introduction to XAML Browser Applications (XBAP)

page 7 of 8

by Nihar Ranjan Nayak
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XBAP Security Considerations

XBAPs must execute within a partial-trust security sandbox that is restricted to the Internet zone permission set. Consequently, your implementation must support the subset of WPF elements that are supported in the Internet zone

When you host the Web Browser ActiveX control (WebOC) in the Internet Explorer browser process, the following security limitations apply.

· Internet Explorer blocks modal dialog boxes from the DHTML alert function and ActiveX controls hosted in HTML. Internet Explorer suppresses dialog boxes that originate from threads other than the active tab’s thread.

· Hosting the WebOC control raises an exception when an XBAP is loaded cross-domain in an HTML page.

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User Comments

Title: Nice article
Name: Neetu
Date: 8/26/2009 3:23:46 AM
Comment:
Good explanation but please specify some more details on applying controls on WPF enabled application(StandAlone)

Title: thanks may fold
Name: bob
Date: 7/9/2009 7:24:29 PM
Comment:
thanks for this great write up on XBAP, i was in a panic state trying to figure out if i could use XBAP on the WEB and this answered my pressing concerns, now i can sleep!

Thanks Nihar and may great things come your way this year!

Title: Mr
Name: Nihar
Date: 3/18/2009 2:16:51 AM
Comment:
Hello Ithyan,

XBAp apps run in partial trust mode. So they can't use WCF services in .NET framework 3.0. But framework 3.5 has some improvements over 3.0. So in framework 3.5 we can use WCF in partial trust mode for.

Thanks.

Title: Mr
Name: Ithyan
Date: 3/18/2009 12:29:22 AM
Comment:
hi,

i hope XBAPs can use WCF.

am completley taken aback on seeing this."XBAPs cannot use WCF."
please check.

Title: Mr.
Name: Satyadeep Kumar
Date: 3/11/2009 5:37:04 AM
Comment:
Nice, but i'm confused about one line in conclusion: "WPF doesn't require the framework"!!!

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