var value = Windows.Storage.StorageDeleteOption.default;
The StorageDeleteOption enumeration has these members.
Default | default
Specifies the default behavior.
If the item is in an application storage location (that is, a location that can be accessed through the ApplicationData class), it's permanently deleted. It's not moved to the Recycle Bin.
If the item is in another location, the item is deleted according to the default behavior of File Explorer for that location. The item may be moved to the Recycle Bin, or it may be permanently deleted.
PermanentDelete | permanentDelete
Permanently deletes the item. The item is not moved to the Recycle Bin.