roaming.exists method
Determines whether the specified file exists in the roaming storage.
Syntax
var promise = WinJS.Application.roaming.exists(filename);
Parameters
filename
Type: StringThe name of the file.
Return value
Type: Promise
A promise that completes with a value of either true (if the file exists) or false.
Requirements
Minimum WinJS version |
WinJS 1.0 |
Namespace |
WinJS.Application |