You are developing a Windows Store app that uses Windows Push Notification Services
(WNS). The app includes the following code:
You need to initiate polling. Which code segment should you insert at line 05?
A.
B.
C.
D.
Which code segment should you insert at line 05?
You are developing a Windows Store app that uses Windows Push Notification Services
(WNS). The app includes the following code:
You need to initiate polling. Which code segment should you insert at line 05?