Store the access to files/folders instead of using a picker each time - by Jonathan Antoine
In a Metro Win8′s style app you have full access to the local, roaming and temp folder of the app. The app can also access the libraries(documents, videos, pictures, …) if the correct capabilities are declared in the package manifest.
If the app needs to retrieve any other file or folder, it has to ask the user through a picker. This is a one-time UI which gives you access to the desired item only if the user is OK with that.
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Post Contributed by: Kunal Chowdhury
Kunal is the Site Admin and Contributor of Silverlight-Zone. He is a Software Engineer, Microsoft Silverlight MVP, Code Project Mentor and a Code Project MVP. He is also an active Author in SilverlightShow.net and a speaker in various community events. He works on Microsoft Platform and very passionate about Silverlight technology. He started his career in 2007 and achieved various awards during his professional life.
He shares his findings in his personal blog: http://www.kunal-chowdhury.com and he also tweets at: @kunal2383.