Class TreeTable

A tree table.

Inheritance

System.Object

NonFinalizeDisposable

Disposable

TreeTable

TreeTableWithSummary

Implements

ITreeTable

System.Collections.IList

System.Collections.ICollection

System.Collections.IEnumerable

System.IDisposable

Inherited Members

Disposable.Finalize()

NonFinalizeDisposable.Dispose()

Namespace: Syncfusion.Maui.GridCommon.Collections

Assembly: Syncfusion.Maui.GridCommon.dll

Syntax

public class TreeTable : Disposable, ITreeTable, IList, ICollection, IEnumerable, IDisposable

Constructors

TreeTable(Boolean)

Initializes a new TreeTable.

Declaration

public TreeTable(bool sorted)

Parameters

Type	Name	Description
System.Boolean	sorted

Properties

Comparer

Gets / sets the comparer used by sorted trees.

Declaration

public IComparer Comparer { get; set; }

Property Value

Type
System.Collections.IComparer

Count

Returns the number of leaves.

Declaration

public int Count { get; }

Property Value

Type
System.Int32

IsFixedSize

Indicates whether the nodes can be added or removed.

Declaration

public bool IsFixedSize { get; }

Property Value

Type
System.Boolean

IsInitializing

Indicates whether BeginInit was called.

Declaration

public bool IsInitializing { get; }

Property Value

Type
System.Boolean

IsReadOnly

Indicates whether the tree is Read-only.

Declaration

public bool IsReadOnly { get; }

Property Value

Type
System.Boolean

IsSynchronized

Not supported.

Declaration

public bool IsSynchronized { get; }

Property Value

Type
System.Boolean

Item[Int32]

Gets / sets an item at the specified index.

Declaration

public ITreeTableNode this[int index] { get; set; }

Parameters

Type	Name	Description
System.Int32	index

Property Value

Type
ITreeTableNode

Root

Gets / sets the root node.

Declaration

public ITreeTableNode Root { get; set; }

Property Value

Type
ITreeTableNode

Sorted

Indicates whether tree is sorted.

Declaration

public bool Sorted { get; }

Property Value

Type
System.Boolean

SyncRoot

Not implemented.

Declaration

public object SyncRoot { get; }

Property Value

Type
System.Object

Tag

Gets / sets the tag that can be associated with this object.

Declaration

public object Tag { get; set; }

Property Value

Type
System.Object

Methods

Add(ITreeTableNode)

Appends a node.

Declaration

public int Add(ITreeTableNode value)

Parameters

Type	Name	Description
ITreeTableNode	value	Node value to append.

Returns

Type
System.Int32

AddIfNotExists(Object, ITreeTableEntry)

Adds a node in a sorted tree only if no node with the same value has not been added yet.

Declaration

public ITreeTableEntry AddIfNotExists(object key, ITreeTableEntry value)

Parameters

Type	Name	Description
System.Object	key
ITreeTableEntry	value	Node value to add.

Returns

Type
ITreeTableEntry

AddSorted(ITreeTableNode)

Adds a node into a sorted tree.

Declaration

public int AddSorted(ITreeTableNode value)

Parameters

Type	Name	Description
ITreeTableNode	value	Node value to add.

Returns

Type
System.Int32

BeginInit()

Optimizes insertion of many elements when tree is initialized for the first time.

Declaration

public virtual void BeginInit()

Clear()

Clears all nodes in the tree.

Declaration

public void Clear()

Contains(ITreeTableNode)

Indicates whether the node belongs to this tree.

Declaration

public bool Contains(ITreeTableNode value)

Parameters

Type	Name	Description
ITreeTableNode	value	Node value to search for.

Returns

Type	Description
System.Boolean	True if node belongs to this tree; false otherwise.

CopyTo(ITreeTableNode[], Int32)

Copies the elements from this collection into an array.

Declaration

public void CopyTo(ITreeTableNode[] array, int index)

Parameters

Type	Name	Description
ITreeTableNode[]	array	The destination array.
System.Int32	index	The starting index in the destination array.

Dispose(Boolean)

Releases the unmanaged resources used by the Component and optionally releases the managed resources.

Declaration

protected override void Dispose(bool disposing)

Parameters

Type	Name	Description
System.Boolean	disposing	true to release both managed and unmanaged resources; false to release only unmanaged resources.

Overrides

NonFinalizeDisposable.Dispose(Boolean)

Remarks

See the documentation for the System.ComponentModel class and its Dispose member.

EndInit()

Ends optimization of insertion of elements when tree is initialized for the first time.

Declaration

public virtual void EndInit()

FindHighestSmallerOrEqualKey(Object)

Finds the node in a sorted tree is just one entry ahead of the node with the specified key. It searches for the largest possible key that is smaller than the specified key.

Declaration

public ITreeTableEntry FindHighestSmallerOrEqualKey(object key)

Parameters

Type	Name	Description
System.Object	key	The key to search.

Returns

Type	Description
ITreeTableEntry	The node; NULL if not found.

FindKey(Object)

Finds a node in a sorted tree that matches the specified key.

Declaration

public ITreeTableEntry FindKey(object key)

Parameters

Type	Name	Description
System.Object	key	The key to search.

Returns

Type	Description
ITreeTableEntry	The node; NULL if not found.

GetCount()

Returns the number of leaves.

Declaration

public int GetCount()

Returns

Type
System.Int32

GetEnumerator()

Returns a TreeTableEnumerator.

Declaration

public TreeTableEnumerator GetEnumerator()

Returns

Type
TreeTableEnumerator

GetNextEntry(ITreeTableEntry)

Optimized access to a subsequent entry.

Declaration

public ITreeTableEntry GetNextEntry(ITreeTableEntry current)

Parameters

Type	Name	Description
ITreeTableEntry	current

Returns

Type
ITreeTableEntry

GetPreviousEntry(ITreeTableEntry)

Optimized access to the previous entry.

Declaration

public ITreeTableEntry GetPreviousEntry(ITreeTableEntry current)

Parameters

Type	Name	Description
ITreeTableEntry	current

Returns

Type
ITreeTableEntry

IndexOf(ITreeTableNode)

Returns the position of a node.

Declaration

public int IndexOf(ITreeTableNode value)

Parameters

Type	Name	Description
ITreeTableNode	value	Node value to look for.

Returns

Type	Description
System.Int32	Index of the node if found.

IndexOfKey(Object)

Finds a node in a sorted tree.

Declaration

public int IndexOfKey(object key)

Parameters

Type	Name	Description
System.Object	key

Returns

Type
System.Int32

Insert(Int32, ITreeTableNode)

Inserts a node at the specified index.

Declaration

public void Insert(int index, ITreeTableNode value)

Parameters

Type	Name	Description
System.Int32	index	Index value where the node is to be inserted.
ITreeTableNode	value	Value of the node to insert.

Remove(ITreeTableNode)

Removes the specified node.

Declaration

public bool Remove(ITreeTableNode value)

Parameters

Type	Name	Description
ITreeTableNode	value	Node value to look for and remove.

Returns

Type
System.Boolean

RemoveAt(Int32)

Removes a node at the specified position.

Declaration

public void RemoveAt(int index)

Parameters

Type	Name	Description
System.Int32	index

ResetCache()

Resets the cache.

Declaration

public void ResetCache()

Implements

ITreeTable

System.Collections.IList

System.Collections.ICollection

System.Collections.IEnumerable

System.IDisposable