Class TreeNodes
Represents a class that provides the implementation of TreeNodes in SfTreeGrid.
Inheritance
Implements
Namespace: Syncfusion.UI.Xaml.TreeGrid
Assembly: Syncfusion.Grid.WinUI.dll
Syntax
public class TreeNodes : Object, IList<TreeNode>, ICollection<TreeNode>, IEnumerable<TreeNode>, IEnumerable, IDisposableConstructors
TreeNodes()
Initializes a new instance of TreeNodes class.
Declaration
public TreeNodes()Properties
Count
Gets the number of elements contained in the System.Collections.Generic.IList<>.
Declaration
public int Count { get; }Property Value
| Type |
|---|
| System.Int32 |
IsReadOnly
Gets a value indicating whether the System.Collections.Generic.IList<> is read only.
Declaration
public bool IsReadOnly { get; }Property Value
| Type |
|---|
| System.Boolean |
Item[Int32]
Gets or sets the element at the specified index.
Declaration
public TreeNode this[int index] { get; set; }Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | index | The specified index. |
Property Value
| Type | Description |
|---|---|
| TreeNode | The element at the specified index. |
Methods
Add(TreeNode)
Adds an item to the System.Collections.Generic.IList<>.
Declaration
public void Add(TreeNode item)Parameters
| Type | Name | Description |
|---|---|---|
| TreeNode | item | The corresponding item. |
Clear()
Removes all items from the System.Collections.Generic.IList<>.
Declaration
public void Clear()Contains(TreeNode)
Determines whether the System.Collections.Generic.IList<> contains a specific value.
Declaration
public bool Contains(TreeNode item)Parameters
| Type | Name | Description |
|---|---|---|
| TreeNode | item | The specified value. |
Returns
| Type | Description |
|---|---|
| System.Boolean | true if the item is found in the System.Collections.Generic.IList<>; otherwise false. |
CopyTo(TreeNode[], Int32)
Copies the elements of System.Collections.Generic.IList<> to an System.Array starting from particular array index.
Declaration
public void CopyTo(TreeNode[] array, int arrayIndex)Parameters
| Type | Name | Description |
|---|---|---|
| TreeNode[] | array | The Corresponding array. |
| System.Int32 | arrayIndex | The corresponding array index. |
Dispose()
Disposes all the resources used by the TreeNodes class.
Declaration
public void Dispose()Dispose(Boolean)
Disposes all the resources used by the TreeNodes class.
Declaration
protected virtual void Dispose(bool isDisposing)Parameters
| Type | Name | Description |
|---|---|---|
| System.Boolean | isDisposing | Indicates whether the call is from Dispose method or from a finalizer. |
GetEnumerator()
Gets an enumerator that iterates thorugh the collection.
Declaration
public virtual IEnumerator<TreeNode> GetEnumerator()Returns
| Type | Description |
|---|---|
| System.Collections.Generic.IEnumerator<TreeNode> | An enumerator that iterates thorugh the collection. |
GetNode(Object)
Get the node from data.
Declaration
public TreeNode GetNode(object data)Parameters
| Type | Name | Description |
|---|---|---|
| System.Object | data | data. |
Returns
| Type | Description |
|---|---|
| TreeNode | the TreeNode. |
IndexOf(TreeNode)
Determines the index of a specific item in the System.Collections.Generic.IList<>.
Declaration
public int IndexOf(TreeNode item)Parameters
| Type | Name | Description |
|---|---|---|
| TreeNode | item | The corresponding item. |
Returns
| Type | Description |
|---|---|
| System.Int32 | The index of item if found in the list;otherwise, -1 |
IndexOfNode(Object)
Determines the index of node of the specific item in the System.Collections.Generic.IList<>.
Declaration
public int IndexOfNode(object item)Parameters
| Type | Name | Description |
|---|---|---|
| System.Object | item | The corresponding item. |
Returns
| Type | Description |
|---|---|
| System.Int32 | The index of node of the item if found in the list;otherwise, -1 |
Insert(Int32, TreeNode)
Insert the item in nodeList only.
Declaration
public void Insert(int index, TreeNode item)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | index | index. |
| TreeNode | item | item. |
Insert(Int32, TreeNode, Int32)
Insert the item to sourceList and nodeList based on sourceIndex and nodeIndex respectively.
Declaration
public void Insert(int sourceIndex, TreeNode item, int nodeIndex)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | sourceIndex | sourceIndex. |
| TreeNode | item | item. |
| System.Int32 | nodeIndex | nodeIndex. |
MoveTo(Int32, Int32)
Moves a item at the source index to the specified destination index.
Declaration
public void MoveTo(int sourceIndex, int destinationIndex)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | sourceIndex | The source index from where item to be removed. |
| System.Int32 | destinationIndex | The destination index from where item to be added. |
Remove(TreeNode)
Removes the first occurence of the specified item.
Declaration
public bool Remove(TreeNode item)Parameters
| Type | Name | Description |
|---|---|---|
| TreeNode | item | The TreeNode. |
Returns
| Type | Description |
|---|---|
| System.Boolean | true if the item is succesfully removed; otherwise false. |
RemoveAt(Int32)
Removes the item from System.Collections.Generic.IList<> at the specified index.
Declaration
public void RemoveAt(int index)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | index | The specified index. |
RemoveRange(Int32, Int32)
Removes the range of items from the System.Collections.Generic.IList<> starting from the specified index.
Declaration
public void RemoveRange(int index, int count)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | index | The specified Index. |
| System.Int32 | count | The count of items to be removed. |