.NET Framework 4.6 and 4.5
public static readonly RoutedEvent PreviewDropEvent
The PreviewDrop event occurs when an object is dropped within an element's bounds.
This field identifies the tunneling version of the PreviewDrop event. For an identifier for the bubbling version of this event, see DropEvent.
Supported in: 4.6, 4.5, 4, 3.5, 3.0
.NET Framework Client Profile
Supported in: 4, 3.5 SP1