AddPreviewQueryContinueDragHandler Method

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
)
You cannot use methods in XAML.

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.

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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