Occurs when there is a change in the keyboard or mouse button state during a drag-and-drop operation.
Assembly: PresentationCore (in PresentationCore.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation
The event enables the drag source to declare whether the drag-and-drop operation should be canceled.
This event creates an alias for the DragDrop::PreviewQueryContinueDrag attached event for this class, so that is part of the class members list when UIElement3D is inherited as a base element. Event handlers that are attached to the event are attached to the underlying DragDrop::PreviewQueryContinueDrag attached event and receive the same event data instance.
is introduced in the .NET Framework version 3.5. For more information, see .NET Framework Versions and Dependencies.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2