Specifies the position where a TreeNode is being dropped during a drag and drop operation.
| Name | Value | Description |
|---|---|---|
| Before | 0 |
The node will become the previous sibling of the target node. |
| After | 1 |
The node will become the next sibling of the target node. |
| Into | 2 |
The node will become the last child of the target node. |