public static async Task <IEnumerable <T> > TryRunAsync <T>(this IPicker <T> source, IEnumerable <T> context, IEnumerable <T> selected = null, string title = "", string prompt = "", string primaryText = "", string secondaryText = "", bool freezeSelected = false)
{
if (source == null)
{
return(Enumerable.Empty <T>());
}
var vm = new PickerViewModel <T>(context, selected, title, prompt, primaryText, secondaryText, freezeSelected);
return(await source.RunAsync(vm));
}