/// <summary>
/// Determines if the item belongs to this collection.
/// </summary>
/// <param name="item">The object to locate in the collection. The value can be a NULL reference (Nothing in Visual Basic).</param>
/// <returns>True if item is found in the collection; otherwise False.</returns>
public bool Contains(GenericTreeTableEntry <V> item)
{
if (item == null)
{
return(false);
}
return(thisTree.Contains(item));
}
protected GenericTreeTableEntry <V> LookupOrCreateEntry(V item)
{
var entry = (GenericTreeTableEntry <V>)item.GetTreeTableEntry(Identifier);
if (entry == null || entry.Tree == null || entry.Tree != this.thisGenericTree.InternalTree)
{
entry = new GenericTreeTableEntry <V>(thisGenericTree, item);
item.SetTreeTableEntry(Identifier, entry);
}
return(entry);
}
void ICollection <GenericTreeTableEntry <V> > .Add(GenericTreeTableEntry <V> item)
{
Add(item);
}
/// <summary>
/// Adds a value to the end of the collection.
/// </summary>
/// <param name="value">The item to be added to the end of the collection. The value must not be a NULL reference (Nothing in Visual Basic). </param>
/// <returns>The zero-based collection index at which the value has been added.</returns>
public int Add(GenericTreeTableEntry <V> item)
{
return(thisTree.Add(item));
}
/// <summary>
/// Returns the zero-based index of the occurrence of the item in the collection.
/// </summary>
/// <param name="value">The item to locate in the collection. The value can be a NULL reference (Nothing in Visual Basic). </param>
/// <returns>The zero-based index of the occurrence of the item within the entire collection, if found; otherwise -1.</returns>
public int IndexOf(GenericTreeTableEntry <V> item)
{
return(thisTree.IndexOf(item));
}
/// <summary>
/// Removes the specified item from the collection.
/// </summary>
/// <param name="item">The item to remove from the collection. If the value is NULL or the item is not contained
/// in the collection, the method will do nothing.</param>
public bool Remove(GenericTreeTableEntry <V> item)
{
return(thisTree.Remove(item));
}
/// <summary>
/// Inserts an item into the collection at the specified index.
/// </summary>
/// <param name="index">The zero-based index at which the item should be inserted.</param>
/// <param name="item">The item to insert. The value must not be a NULL reference (Nothing in Visual Basic). </param>
public void Insert(int index, GenericTreeTableEntry <V> item)
{
thisTree.Insert(index, item);
}
public GenericTreeTableEntry <V> AddIfNotExists(object key, GenericTreeTableEntry <V> entry)
{
return((GenericTreeTableEntry <V>)thisTree.AddIfNotExists(key, entry));
}
/// <summary>
/// Optimized access to the previous entry.
/// </summary>
/// <param name="current"></param>
/// <returns></returns>
public GenericTreeTableEntry <V> GetPreviousEntry(GenericTreeTableEntry <V> current)
{
return((GenericTreeTableEntry <V>)thisTree.GetPreviousEntry(current));
}
