Sets the time the bookmark for @uri was added into @bookmark.
If no bookmark for @uri is found then it is created.
a valid URI
a timestamp or -1 to use the current time
Deprecated: Use g_bookmark_file_set_added_date_time() instead, as time_t is deprecated due to the year 2038 problem.
2.12
See Implementation
Sets the time the bookmark for @uri was added into @bookmark.
If no bookmark for @uri is found then it is created.