LinkModeConstants
DDE link-mode values for the LinkMode property of forms and supported controls.
| Constant | Value | Description |
|---|---|---|
| vbLinkNone | 0 | No DDE link is active. |
| vbLinkAutomatic | 1 | The control updates whenever the source data changes. (Same value as vbLinkSource.) |
| vbLinkSource | 1 | The form acts as a DDE source: changes to its controls notify any client that has linked to them. |
| vbLinkManual | 2 | The control updates only when LinkRequest is called. |
| vbLinkNotify | 3 | A LinkNotify event is raised when the source data changes; the control updates only on demand. |