/// <summary>
/// Searches the tree for the given item.
/// </summary>
/// <param name="item">The item to look for.</param>
/// <returns>Returns true if the item is present in the tree; false otherwise.</returns>
public bool Contains(T item)
{
if (fData == null)
{
return(false);
}
int n = fData.CompareTo(item);
if (n > 0)
{
return((fLeft != null) ? fLeft.Contains(item) : false);
}
if (n < 0)
{
return((fRight != null) ? fRight.Contains(item) : false);
}
return(true);
}
