TTMSFNCListBox.OnBeforeDropItem Event
Occurs before an item is dropped on another item.
API unit family: TMSFNCListBox
Declaring type: TTMSFNCListBox
Inherited from: TTMSFNCCustomListBox
Syntax
OnBeforeDropItem: TTMSFNCListBoxBeforeDropItemEvent;
Parameters
| Name | Description |
|---|---|
Sender |
The list box that triggered the event. |
AFromItem |
The item being dropped. |
AToItem |
The target item for the drop operation. |
ACanDrop |
Set to False to cancel the drop operation. |