Documentation

Interface IDropVisualProvider

Represents API for the drop visual providers for the Drag and Drop operations in RadListBox control.

Namespace: Telerik.Windows.DragDrop.Behaviors
Assembly: Telerik.Windows.Controls.dll

Syntax

public interface IDropVisualProvider

Methods

CreateDropVisual()

When overridden in a derived class allows customization of the drop visual.

Declaration
FrameworkElement CreateDropVisual()
Returns
System.Windows.FrameworkElement

GetDropCueHighlightMargin(RadListBoxItem, Panel, FrameworkElement)

When overridden in derived class returns the margin for the container when the dragged element moves above it.

Declaration
Thickness GetDropCueHighlightMargin(RadListBoxItem container, Panel panel, FrameworkElement dropVisual)
Parameters
RadListBoxItem container

System.Windows.Controls.Panel panel

System.Windows.FrameworkElement dropVisual

Returns
System.Windows.Thickness

GetLocation(RadListBoxItem, Panel)

When overridden in derived class returns the location which is used for render transforming the drop visual.

Declaration
Point GetLocation(RadListBoxItem container, Panel panel)
Parameters
RadListBoxItem container

System.Windows.Controls.Panel panel

Returns
System.Windows.Point

GetLocation(RadListBoxItem, Panel, ItemDropPosition)

When overridden in derived class returns the location which is used for render transforming the drop visual depending on the ItemDropPosition.

Declaration
Point GetLocation(RadListBoxItem container, Panel panel, ItemDropPosition dropPosition)
Parameters
RadListBoxItem container

System.Windows.Controls.Panel panel

ItemDropPosition dropPosition

Returns
System.Windows.Point

VisualizeDropPlaceholderEnded(RadListBoxItem, Panel, Object, FrameworkElement)

When overridden in derived class indicates that visualizing the drop cue operation is finished.

Declaration
void VisualizeDropPlaceholderEnded(RadListBoxItem container, Panel panel, object dataItem, FrameworkElement dropVisual)
Parameters
RadListBoxItem container

System.Windows.Controls.Panel panel

System.Object dataItem

System.Windows.FrameworkElement dropVisual

VisualizeDropPlaceholderStarted(RadListBoxItem, Panel, Object, FrameworkElement)

When overridden in derived class indicates that visualizing the drop cue operation is started.

Declaration
void VisualizeDropPlaceholderStarted(RadListBoxItem container, Panel panel, object dataItem, FrameworkElement dropVisual)
Parameters
RadListBoxItem container

System.Windows.Controls.Panel panel

System.Object dataItem

System.Windows.FrameworkElement dropVisual

Extension Methods