private bool CanVote()
{
if (Voting || Loading)
{
return(false);
}
if (!Questions.Any())
{
return(false);
}
return(Questions.All(q => q.HasAnswer));
}
/// <summary>
/// This command is invoked when we tap on any child item of the group.
/// If all checkbox under the one group is marked then that group header checkbox is marked or else it is unmarked
/// </summary>
private void ItemCheckChangedCommandExecute()
{
IsGroupHeaderChecked = _groupChildItemCollection.All(x => x.IsSelected);
MessagingCenter.Send(this, "UpdateSelectedItemsCountMessage");
}