The file selector in Windows 8 is quite different from the previous versions of Windows, and this article will explain how to use the Windows file selector for single and multiple files, and also to look at the file and folder selectors.
 
Before that, we need to know the classes used by these three selectors in Windows 8 are as follows:
 
File selector: Fileopenpicker
 
Common Properties and methods: The initial position of the suggestedstartlocation-selector
 
commitbuttontext-the text of the Submit button
 
filetypefilter-sets the file types you can choose
 
viewmode-browse Mode: Thumbnail and file list two modes
 
Picksinglefileasync ()-How to select a single file
 
Pickmultiplefilesasync ()-How to select multiple files
 
File Save: Filesavepicker
 
Common Properties and methods: The initial position of the suggestedstartlocation-selector
 
commitbuttontext-the text of the Submit button
 
suggestedfilename-Default Save file name
 
defaultfileextension-Default File type
 
filetypechoices-set selectable file type combinations
 
Picksavefileasync ()-How to save a file
 
File selector: Folderopenpicker
 
Common Properties and methods: The initial position of the suggestedstartlocation-selector
 
commitbuttontext-the text of the Submit button
 
filetypefilter-sets the file types you can choose
 
viewmode-browse Mode: Thumbnail and file list two modes
 
Picksinglefolderasync ()-How to select a single file