| Value | Meaning |
|---|---|
| NONE0 | no protocol. |
| MOTIF1 | The Motif DND protocol. No longer supported |
| XDND2 | The Xdnd protocol. |
| ROOTWIN3 | An extension to the Xdnd protocol for unclaimed root window drops. |
| WIN32_DROPFILES4 | The simple WM_DROPFILES protocol. |
| OLE25 | The complex OLE2 DND protocol (not implemented). |
| LOCAL6 | Intra-application DND. |
| WAYLAND7 | Wayland DND protocol. |
Used in #GdkDragContext to indicate the protocol according to which DND is done.