/// <summary>
/// Inserts an item to the selector's collection at the specified index and selects it.
/// </summary>
/// <param name="index">The zero-based index at which <paramref name="item" /> should be inserted. index.</param>
/// <param name="item">The object to insert.</param>
public virtual void InsertAndSelect(int index, T item)
{
ItemsCore.Insert(index, item);
SelectedIndex = index;
}
/// <summary>
/// Inserts an item to the <see cref="T:System.Collections.Generic.IList`1" /> at the specified index.
/// </summary>
/// <param name="index">The zero-based index at which <paramref name="item" /> should be inserted.</param>
/// <param name="item">The object to insert into the <see cref="T:System.Collections.Generic.IList`1" />.</param>
public virtual void Insert(int index, T item)
{
ItemsCore.Insert(index, item);
}