c# - Open File dialogue for Windows 8 Apps -

i making app in user required choose video computer; want implement using openfilediaglogue box c# windows apps not available windows 8 app. how can windows 8 app? kinda appreciated!

rather open file dialog, might want take @ file picker control.

see link example : http://code.msdn.microsoft.com/wpapps/file-picker-sample-9f294cba