Set the window cover to use an alternate window.
#include <bps/navigator.h>
BPS_API int navigator_window_cover_attribute_set_alternate_window(navigator_window_cover_attribute_t *attribute)
BlackBerry 10.0.0
The window cover attribute handle.
There are 4 modes for covers. Live, file, capture, or alternate window. If alternate window is set, capture and file path attributes are discarded. The alternate window is specified by using the SCREEN_PROPERTY_ALTERNATE_WINDOW property.
On success, return BPS_SUCCESS. Otherwise, BPS_FAILURE with errno set, and the attribute will not be changed.