Return Parameters
| Return Code | Explanation |
|---|---|
| 0 | The Lock Presentation Space API function was successful. |
| 1 | An incorrect host presentation space short session ID was specified or was not connected. |
| 2 | An error was made in specifying parameters. |
| 9 | A system error was encountered. |
| 43 | The API was already locked by another EHLLAPI application (on LOCK) or API not locked (on UNLOCK). |