Class ListBoxDragDropHelper

Inheritance
System.Object
DragDropHelper<ListBoxDragDropBehavior, DragDropState>
ListBoxDragDropHelper
Inherited Members
Namespace: Telerik.Windows.DragDrop.Behaviors
Assembly: Telerik.Windows.Controls.dll

Syntax

public class ListBoxDragDropHelper : DragDropHelper<ListBoxDragDropBehavior, DragDropState>

Constructors

ListBoxDragDropHelper()

Declaration
public ListBoxDragDropHelper()

Methods

FindDraggedItem(FrameworkElement)

Finds the ListBoxItem that contains the provided element.

Declaration
protected override FrameworkElement FindDraggedItem(FrameworkElement element)
Parameters
System.Windows.FrameworkElement element

The element that raised the DragInitialize event.
Returns
System.Windows.FrameworkElement

Overrides
Telerik.Windows.DragDrop.Behaviors.DragDropHelper<Telerik.Windows.DragDrop.Behaviors.ListBoxDragDropBehavior, Telerik.Windows.DragDrop.Behaviors.DragDropState>.FindDraggedItem(System.Windows.FrameworkElement)

FindDragSource(FrameworkElement)

Finds the ListBox that contains the provided element.

Declaration
protected override FrameworkElement FindDragSource(FrameworkElement element)
Parameters
System.Windows.FrameworkElement element

The element that raised the DragInitialize event.
Returns
System.Windows.FrameworkElement

Overrides
Telerik.Windows.DragDrop.Behaviors.DragDropHelper<Telerik.Windows.DragDrop.Behaviors.ListBoxDragDropBehavior, Telerik.Windows.DragDrop.Behaviors.DragDropState>.FindDragSource(System.Windows.FrameworkElement)

FindDropItemsControl(FrameworkElement, Object)

Finds the ListBox that should accept the dragged items.

Declaration
protected override FrameworkElement FindDropItemsControl(FrameworkElement element, object data)
Parameters
System.Windows.FrameworkElement element

The element that raised the Drop event.
System.Object data

The DataObject for the current drag operation.
Returns
System.Windows.FrameworkElement

Overrides
Telerik.Windows.DragDrop.Behaviors.DragDropHelper<Telerik.Windows.DragDrop.Behaviors.ListBoxDragDropBehavior, Telerik.Windows.DragDrop.Behaviors.DragDropState>.FindDropItemsControl(System.Windows.FrameworkElement, System.Object)

FindDropTarget(FrameworkElement)

Finds a ListBoxItem from the target control that contains the provided element.

Declaration
protected override FrameworkElement FindDropTarget(FrameworkElement element)
Parameters
System.Windows.FrameworkElement element

The element that raised the Drop event.
Returns
System.Windows.FrameworkElement

Overrides
Telerik.Windows.DragDrop.Behaviors.DragDropHelper<Telerik.Windows.DragDrop.Behaviors.ListBoxDragDropBehavior, Telerik.Windows.DragDrop.Behaviors.DragDropState>.FindDropTarget(System.Windows.FrameworkElement)

GetDraggedItems(FrameworkElement)

Returns the SelectedItems list of the ListBox that contains the dragged item and adds the dragged item to the list if it is not already present there.

Declaration
protected override IEnumerable<object> GetDraggedItems(FrameworkElement draggedItem)
Parameters
System.Windows.FrameworkElement draggedItem

The source control of the drag operation.
Returns
System.Collections.Generic.IEnumerable<System.Object>

The items that should be dragged.
Overrides
Telerik.Windows.DragDrop.Behaviors.DragDropHelper<Telerik.Windows.DragDrop.Behaviors.ListBoxDragDropBehavior, Telerik.Windows.DragDrop.Behaviors.DragDropState>.GetDraggedItems(System.Windows.FrameworkElement)

Extension Methods