| Name | Description | |
|---|---|---|
 | ConnectData | Adds new topics from a real-time data server. The ConnectData method is called when a file is opened that contains real-time data functions or when a user types in a new formula which contains the RTD function. |
| DisconnectData | Notifies a real-time data (RTD) server application that a topic is no longer in use. |
| Heartbeat | Determines if the real-time data server is still active. Zero or a negative number indicates failure; a positive number indicates that the server is active. |
| RefreshData | This method is called by Microsoft Excel to get new data. |
| ServerStart | The ServerStart method is called immediately after a real-time data server is instantiated. Negative value or zero indicates failure to start the server; positive value indicates success. |
| ServerTerminate | Terminates the connection to the real-time data server. |