/// <summary>
/// Adds the child tree to this node.
/// </summary>
/// <param name="child">The child tree to add.</param>
public void Add(GeneralTree <T> child)
{
InsertItem(Count, child);
}
/// <summary>
/// Removes the item from the tree.
/// </summary>
/// <param name="index">The index.</param>
/// <param name="item">The item to remove.</param>
/// <remarks>
/// <b>Notes to Inheritors: </b>
/// Derived classes can override this method to change the behavior of the <see cref="RemoveAt"/> method.
/// </remarks>
protected virtual void RemoveItem(int index, GeneralTree <T> item)
{
item.parent = null;
childNodes.RemoveAt(index);
}
/// <inheritdoc />
void ICollection <T> .Add(T item)
{
var child = new GeneralTree <T>(item);
InsertItem(Count, child);
}
