Drop effect constants for OLE drag and drop events.
| Name | Value | Description | |||
| exOLEDropEffectNone | 0 | Drop target cannot accept the data, or the drop operation was cancelled. | |||
| exOLEDropEffectCopy | 1 | Drop results in a copy of data from the source to the target. The original data is unaltered by the drag operation. | |||
| exOLEDropEffectMove | 2 | Drop results in data being moved from drag source to drop source. The drag source should remove the data from itself after the move. | |||
| exOLEDropEffectScroll | -2147483648 | This one is not implemented. |