ClassTreeViewDragDropOptions
Encapsulates option and settings related to drag drop operation in RadTreeView. This class provides a mechanism to customize or alter default behavior. An instance of this class is created automatically when a drag drop operation has been started from a RadTreeViewItem object and is used to control the operation while dragging/dropping over other RadTreeViewItem or RadTreeView objects.
Definition
Namespace:Telerik.Windows.Controls.TreeView
Assembly:Telerik.Windows.Controls.Navigation.dll
Syntax:
public class TreeViewDragDropOptionsInheritance: objectTreeViewDragDropOptions
Constructors
TreeViewDragDropOptions()
Initializes a new instance of the TreeViewDragDropOptions class.
Declaration
public TreeViewDragDropOptions()Fields
Properties
DragSourceItem
Gets the RadTreeViewItem which started the drag drop operation. Initialized when drag operation starts. Note this property will be null if drag drop operation has been started outside RadTreeViewItem object.
Declaration
public RadTreeViewItem DragSourceItem { get; set; }Property Value
DragVisual
Gets or sets a visual representation of the drag drop operation state. By default a TreeViewDragVisual object is created automatically. The TreeViewDragVisual displays an image of dragged items and a textual representation of drop position.
DraggedItems
Get the dragged items.
Declaration
public IEnumerable<object> DraggedItems { get; }Property Value
DropAction
Gets or sets the drop action that should be executed when drag drop operation completes.
DropPosition
Gets or sets the drop position of dragged items.
Declaration
public DropPosition DropPosition { get; set; }Property Value
DropTargetItem
Gets the RadTreeViewItem under the drop point. Initialized when drop operation completes. This property will be null if the drop is executed outside RadTreeViewItem.
Declaration
public RadTreeViewItem DropTargetItem { get; set; }Property Value
DropTargetTree
Gets the RadTreeView under the drop point. Initialized when drop operation completes. This property will be null if the drop is executed over RadTreeViewItem or outside RadTreeView.
Declaration
public RadTreeView DropTargetTree { get; set; }Property Value
Methods
SetDraggedItems(IEnumerable<object>)
Sets the dragged items.
Declaration
public void SetDraggedItems(IEnumerable<object> draggedItems)Parameters
draggedItems
UpdateDragVisual()
Updates the DragVisual property value in case it is a TreeViewDragVisual instance.
Declaration
public void UpdateDragVisual()