[VB.NET]
Public Function LockFileAsync(ByVal ExpDate As String, ByVal isDownloadAllowed As Boolean)AsTask
[C#]
public Task LockFileAsync(string expDate, bool isDownloadAllowed);
Remarks
This method is the asynchronous version of the LockFile method and is used to support asynchronous operations in WinRT. Please refer to LockFile for more information.