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DragEventArgs.AllowedEffects Property

Gets a member of the DragDropEffects enumeration that specifies which operations are allowed by the originator of the drag event.

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

public DragDropEffects AllowedEffects { get; }
Members of this class are either not typically used in XAML, or cannot be used in XAML.

Property Value

Type: System.Windows.DragDropEffects
A member of the DragDropEffects enumeration that specifies which operations are allowed by the originator of the drag event.

When a drag-and-drop operation is initiated by calling the DoDragDrop method, permissible operations are specified with a member of the DragDropEffects enumeration. For example, when dragging a read-only file the drag initiator should indicate that the file can be copied, but not moved. Before attempting to perform an operation on dragged data, examine this property to ensure that the operation is allowed.

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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