/// <summary>
/// Adds a drop-down item to this <see cref="EditableComboBox"/>.
/// </summary>
/// <param name="item">The item to add to this control.</param>
public void Add(string item)
{
if (IsInvalid)
{
throw new InvalidHandleException();
}
Libui.EditableComboboxAppend(Handle, item);
}
