public void Invoke()
{
RadRating rating = this.RatingItem.Owner;
RadRatingItem selectedRatingItem = rating.Items.LastOrDefault(item => rating.GetIndexOf(item) < rating.Value);
if (selectedRatingItem != null && selectedRatingItem == this.RatingItem)
{
this.RatingItem.Owner.Value = 0d;
}
else
{
this.RatingItem.Select();
}
}
/// <summary>
/// Not implemented in this single-value control.
/// </summary>
public void AddToSelection()
{
if (!this.IsSelected)
{
RadRating rating = this.RatingItem.Owner;
RadRatingItem selectedRatingItem = rating.Items.LastOrDefault(item => rating.GetIndexOf(item) < rating.Value);
if (selectedRatingItem != null && selectedRatingItem != this.RatingItem)
{
throw new ArgumentException("Rating supports only single selection.");
}
this.Select();
}
else
{
throw new InvalidOperationException("Element is already selected");
}
}