Class TreeViewDragDropService

Inheritance
System.Object
DisposableObject
RadObject
RadService
RadDragDropService
TreeViewDragDropService
DataFilterDragDropService
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Telerik.WinControls.UI
Assembly: Telerik.WinControls.UI.dll

Syntax

public class TreeViewDragDropService : RadDragDropService, IDisposable, INotifyPropertyChanged, ICustomTypeDescriptor, IMessageListener

Constructors

TreeViewDragDropService(RadTreeViewElement)

Declaration
public TreeViewDragDropService(RadTreeViewElement owner)
Parameters
RadTreeViewElement owner

Properties

DropHintColor

Declaration
public Color DropHintColor { get; set; }
Property Value
System.Drawing.Color

IsCopyingNodes

Declaration
protected virtual bool IsCopyingNodes { get; }
Property Value
System.Boolean

Owner

Declaration
protected RadTreeViewElement Owner { get; }
Property Value
RadTreeViewElement

ShowDragHint

Gets or sets a value indicating whether drag hint should be shown.

Declaration
public bool ShowDragHint { get; set; }
Property Value
System.Boolean

true if [show drag hint]; otherwise, false.

ShowDropHint

Gets or sets a value indicating whether show drop hint should be shown.

Declaration
public bool ShowDropHint { get; set; }
Property Value
System.Boolean

true if [show drop hint]; otherwise, false.

Methods

CancelPreviewDragDrop(RadDropEventArgs)

Declaration
protected virtual bool CancelPreviewDragDrop(RadDropEventArgs e)
Parameters
RadDropEventArgs e

Returns
System.Boolean

CanDragOver(DropPosition, TreeNodeElement)

Declaration
protected virtual bool CanDragOver(DropPosition dropPosition, TreeNodeElement targetNodeElement)
Parameters
DropPosition dropPosition

TreeNodeElement targetNodeElement

Returns
System.Boolean

CanShowDropHint(Point)

Declaration
protected virtual bool CanShowDropHint(Point mousePosition)
Parameters
System.Drawing.Point mousePosition

Returns
System.Boolean

CanStart(Object)

Declaration
protected override bool CanStart(object context)
Parameters
System.Object context

Returns
System.Boolean

Overrides

CreateTreeNode(RadTreeNode)

Creates a new tree node in the target RadTreeView using the information from the source tree.

Declaration
protected virtual RadTreeNode CreateTreeNode(RadTreeNode sourceTreeNode)
Parameters
RadTreeNode sourceTreeNode

The source tree node.
Returns
RadTreeNode

A new instance of RadTreeNode if successfull.

DisposeHint()

Declaration
protected virtual void DisposeHint()

GetDraggedNodes(RadTreeNode)

Declaration
protected virtual List<RadTreeNode> GetDraggedNodes(RadTreeNode draggedNode)
Parameters
RadTreeNode draggedNode

Returns
System.Collections.Generic.List<RadTreeNode>

GetDropPosition(Point, TreeNodeElement)

Declaration
protected DropPosition GetDropPosition(Point dropLocation, TreeNodeElement targetNodeElement)
Parameters
System.Drawing.Point dropLocation

TreeNodeElement targetNodeElement

Returns
DropPosition

GetSelectedNodes(RadTreeNode)

Declaration
protected virtual List<RadTreeNode> GetSelectedNodes(RadTreeNode draggedNode)
Parameters
RadTreeNode draggedNode

Returns
System.Collections.Generic.List<RadTreeNode>

HandleMouseMove(Point)

Declaration
protected override void HandleMouseMove(Point mousePosition)
Parameters
System.Drawing.Point mousePosition

Overrides

IsDropTargetValid(ISupportDrop)

Declaration
protected override bool IsDropTargetValid(ISupportDrop dropTarget)
Parameters
ISupportDrop dropTarget

Returns
System.Boolean

Overrides

OnPreviewDragDrop(RadDropEventArgs)

Declaration
protected override void OnPreviewDragDrop(RadDropEventArgs e)
Parameters
RadDropEventArgs e

Overrides

OnPreviewDragHint(PreviewDragHintEventArgs)

Declaration
protected override void OnPreviewDragHint(PreviewDragHintEventArgs e)
Parameters
PreviewDragHintEventArgs e

Overrides

OnPreviewDragHintWithDropPosition(TreeViewPreviewDragHintEventArgs)

Declaration
protected virtual void OnPreviewDragHintWithDropPosition(TreeViewPreviewDragHintEventArgs e)
Parameters
TreeViewPreviewDragHintEventArgs e

OnPreviewDragOver(RadDragOverEventArgs)

Declaration
protected override void OnPreviewDragOver(RadDragOverEventArgs e)
Parameters
RadDragOverEventArgs e

Overrides

OnStarted()

Declaration
protected override void OnStarted()
Overrides

OnStopped()

Declaration
protected override void OnStopped()
Overrides

OnStopping(RadServiceStoppingEventArgs)

Declaration
protected override void OnStopping(RadServiceStoppingEventArgs e)
Parameters
RadServiceStoppingEventArgs e

Overrides

PerformDragDrop(Point, TreeNodeElement, List<RadTreeNode>)

Declaration
protected virtual void PerformDragDrop(Point dropLocation, TreeNodeElement targetNodeElement, List<RadTreeNode> draggedNodes)
Parameters
System.Drawing.Point dropLocation

TreeNodeElement targetNodeElement

System.Collections.Generic.List<RadTreeNode> draggedNodes

PerformDragDropCore(DropPosition, RadTreeNode, List<RadTreeNode>)

Declaration
protected virtual void PerformDragDropCore(DropPosition position, RadTreeNode targetNode, List<RadTreeNode> draggedNodes)
Parameters
DropPosition position

RadTreeNode targetNode

System.Collections.Generic.List<RadTreeNode> draggedNodes

PerformStart()

Declaration
protected override void PerformStart()
Overrides

PerformStop()

Declaration
protected override void PerformStop()
Overrides

PrepareContext()

Declaration
protected override bool PrepareContext()
Returns
System.Boolean

Overrides

PrepareDragHint(TreeNodeElement)

Declaration
protected virtual void PrepareDragHint(TreeNodeElement nodeElement)
Parameters
TreeNodeElement nodeElement

SetHintWindowPosition(Point)

Declaration
protected override void SetHintWindowPosition(Point mousePt)
Parameters
System.Drawing.Point mousePt

Overrides

UpdateHintPosition(Point)

Declaration
protected virtual void UpdateHintPosition(Point mousePosition)
Parameters
System.Drawing.Point mousePosition

Extension Methods