public void LoadTaskLists(IBackend backend)
{
if (backend == null)
{
throw new ArgumentNullException("backend");
}
this.backend = backend;
if (IsLoaded)
{
UnloadTaskLists();
}
IsLoaded = true;
var i = 0;
foreach (var item in backend.GetAll())
{
AddList(i++, (ITaskList)item, true);
}
// enable backend propagation on all objects
foreach (var list in this)
{
if (list.ListType == TaskListType.Regular)
{
((IBackendDetachable)list).AttachBackend(null);
}
}
}