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DragDrop.PreviewQueryContinueDrag Attached Event

Occurs when there is a change in the keyboard or mouse button states during a drag-and-drop operation, and enables the drop source to cancel the drag-and-drop operation depending on the key/button states.

Namespace:  System.Windows
Assembly:  PresentationCore (in PresentationCore.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation

See AddPreviewQueryContinueDragHandler, RemovePreviewQueryContinueDragHandler
<object DragDrop.PreviewQueryContinueDrag="QueryContinueDragEventHandler" .../>

This event is typically consumed by the drag source.

Routed Event Information

Identifier Field


Routing Strategy




The corresponding bubbling event is QueryContinueDrag.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

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

.NET Framework

Supported in: 3.5, 3.0

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