Event which is raised after a metadata item drop.
Function takes arguments evt and ui.
Use ui.targetElement for a reference to the drop target.
Use ui.draggedElement for a reference to the metadata item element.
Use ui.metadata to get a reference to the data.
Use ui.metadataIndex to get the index at which the metadata will be inserted.
Use ui.helper to get a reference to the helper.
Use ui.offset to get a reference to the offset.
Use ui.position to get a reference to the current position of the draggable element.
Target Platforms: Windows 8.1, Windows 8.1, Windows 8, 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
