Editor drag & drop operations.
| activeControlID | Get or set ID of currently active drag and drop control. |
| objectReferences | References to objects being dragged. |
| paths | The file names being dragged. |
| visualMode | The visual indication of the drag. |
| AcceptDrag | Accept a drag operation. |
| GetGenericData | Get data associated with current drag and drop operation. |
| PrepareStartDrag | Clears drag & drop data. |
| SetGenericData | Set data associated with current drag and drop operation. |
| StartDrag | Start a drag operation. |