protected override async System.Threading.Tasks.Task OnLoadAsync(int Model)
{
DateTime start, stop;
start = DateTime.Now;
await ProduceOrders.LoadAsync();
await HarvestOrders.LoadAsync();
await BuildOrders.LoadAsync();
await Cells.LoadAsync();
await Workers.LoadAsync();
await Buildings.LoadAsync();
await MapItems.LoadAsync(Cells.Union <ILocationViewModel>(Buildings).Union(Workers));
stop = DateTime.Now;
LoadDuration = stop - start;
}