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DragDrop::AddPreviewQueryContinueDragHandler Method

Adds a PreviewQueryContinueDrag event handler to a specified dependency object.

Namespace:  System.Windows
Assembly:  PresentationCore (in PresentationCore.dll)

public:
static void AddPreviewQueryContinueDragHandler(
	DependencyObject^ element, 
	QueryContinueDragEventHandler^ handler
)

Parameters

element
Type: System.Windows::DependencyObject

The dependency object (a UIElement or ContentElement) to which to add the event handler.

handler
Type: System.Windows::QueryContinueDragEventHandler

A delegate that references the handler method to be added.

The PreviewQueryContinueDrag event occurs during a drag-and-drop operation, and enables the drag source to determine whether the drag-and-drop operation should be canceled.

This method adds a handler for the tunneling version of the PreviewQueryContinueDrag event. To add a handler for the bubbling version of this event, see AddQueryContinueDragHandler.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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