Class DragDropHelper<TBehavior, TState>

Inheritance
System.Object
DragDropHelper<TBehavior, TState>
Namespace: Telerik.UI.Xaml.Controls.DragDrop.Behaviors
Assembly: Telerik.WinUI.Controls.dll

Syntax

public abstract class DragDropHelper<TBehavior, TState> : Object where TBehavior : DragDropBehavior<TState> where TState : DragDropState, new()
Type Parameters
TBehavior

TState

Constructors

DragDropHelper()

Declaration
protected DragDropHelper()

Properties

DataConverter

Declaration
public DataConverter DataConverter { get; set; }
Property Value
DataConverter

DragDropBehavior

Declaration
public TBehavior DragDropBehavior { get; set; }
Property Value
TBehavior

DragVisualProvider

Declaration
public IDragVisualProvider DragVisualProvider { get; set; }
Property Value
IDragVisualProvider

Methods

CreateDragVisualProviderState(Point, FrameworkElement, TState)

Declaration
protected virtual DragVisualProviderState CreateDragVisualProviderState(Point relativeStartPoint, FrameworkElement control, TState state)
Parameters
Windows.Foundation.Point relativeStartPoint

Microsoft.UI.Xaml.FrameworkElement control

TState state

Returns
DragVisualProviderState

CreateStateForDrop(FrameworkElement, FrameworkElement, Object, Type)

Declaration
protected virtual TState CreateStateForDrop(FrameworkElement dropTarget, FrameworkElement dropItemsControl, object data, Type itemType)
Parameters
Microsoft.UI.Xaml.FrameworkElement dropTarget

Microsoft.UI.Xaml.FrameworkElement dropItemsControl

System.Object data

System.Type itemType

Returns
TState

DragDropCompleted(FrameworkElement, Object, Type, Boolean)

Declaration
protected virtual void DragDropCompleted(FrameworkElement dropItemsControl, object data, Type itemType, bool wasCanceled)
Parameters
Microsoft.UI.Xaml.FrameworkElement dropItemsControl

System.Object data

System.Type itemType

System.Boolean wasCanceled

DragLeave(FrameworkElement, FrameworkElement, Object, Type)

Declaration
protected virtual void DragLeave(FrameworkElement dropTarget, FrameworkElement dropItemsControl, object data, Type itemType)
Parameters
Microsoft.UI.Xaml.FrameworkElement dropTarget

Microsoft.UI.Xaml.FrameworkElement dropItemsControl

System.Object data

System.Type itemType

DragOver(FrameworkElement, FrameworkElement, Object, Type)

Declaration
protected virtual DragDropEffects DragOver(FrameworkElement dropTarget, FrameworkElement dropItemsControl, object data, Type itemType)
Parameters
Microsoft.UI.Xaml.FrameworkElement dropTarget

Microsoft.UI.Xaml.FrameworkElement dropItemsControl

System.Object data

System.Type itemType

Returns
DragDropEffects

Drop(FrameworkElement, FrameworkElement, Object, Type)

Declaration
protected virtual void Drop(FrameworkElement dropTarget, FrameworkElement dropItemsControl, object data, Type itemType)
Parameters
Microsoft.UI.Xaml.FrameworkElement dropTarget

Microsoft.UI.Xaml.FrameworkElement dropItemsControl

System.Object data

System.Type itemType

FindDraggedItem(FrameworkElement)

Declaration
protected abstract FrameworkElement FindDraggedItem(FrameworkElement element)
Parameters
Microsoft.UI.Xaml.FrameworkElement element

Returns
Microsoft.UI.Xaml.FrameworkElement

FindDragSource(FrameworkElement)

Declaration
protected abstract FrameworkElement FindDragSource(FrameworkElement element)
Parameters
Microsoft.UI.Xaml.FrameworkElement element

Returns
Microsoft.UI.Xaml.FrameworkElement

FindDropItemsControl(FrameworkElement, Object)

Declaration
protected abstract FrameworkElement FindDropItemsControl(FrameworkElement element, object data)
Parameters
Microsoft.UI.Xaml.FrameworkElement element

System.Object data

Returns
Microsoft.UI.Xaml.FrameworkElement

FindDropTarget(FrameworkElement)

Declaration
protected abstract FrameworkElement FindDropTarget(FrameworkElement element)
Parameters
Microsoft.UI.Xaml.FrameworkElement element

Returns
Microsoft.UI.Xaml.FrameworkElement

GetContainerFromItem(FrameworkElement, Object)

Declaration
protected virtual DependencyObject GetContainerFromItem(FrameworkElement control, object item)
Parameters
Microsoft.UI.Xaml.FrameworkElement control

System.Object item

Returns
Microsoft.UI.Xaml.DependencyObject

GetDraggedItems(FrameworkElement)

Declaration
protected abstract IEnumerable<object> GetDraggedItems(FrameworkElement draggedItem)
Parameters
Microsoft.UI.Xaml.FrameworkElement draggedItem

Returns
System.Collections.Generic.IEnumerable<System.Object>

GetInferredItemType(IEnumerable)

Declaration
protected static Type GetInferredItemType(IEnumerable itemsSource)
Parameters
System.Collections.IEnumerable itemsSource

Returns
System.Type

GetItemsFromDataObject(Object, Type)

Declaration
protected IEnumerable GetItemsFromDataObject(object data, Type itemType)
Parameters
System.Object data

System.Type itemType

Returns
System.Collections.IEnumerable

GetItemsOfType(IEnumerable, Type)

Declaration
protected static IEnumerable GetItemsOfType(IEnumerable enumerable, Type itemType)
Parameters
System.Collections.IEnumerable enumerable

System.Type itemType

Returns
System.Collections.IEnumerable

GetItemsSource(FrameworkElement)

Declaration
protected virtual IList GetItemsSource(FrameworkElement element)
Parameters
Microsoft.UI.Xaml.FrameworkElement element

Returns
System.Collections.IList

GetItemType(FrameworkElement)

Declaration
protected Type GetItemType(FrameworkElement control)
Parameters
Microsoft.UI.Xaml.FrameworkElement control

Returns
System.Type

Extension Methods