| Input Parameters | Significance |
| DtvLong *idb | Id of the button area |
| Output Parameters | Significance |
| DtvLong *idb | Id of the button area |
| Return Code | Significance |
| 0 | no error |
| 1 | no further button areas exist |
This function allows you to navigate in the button area stack. As opposed to dal_but_ret_nxt nested calls are allowed and is recommended to be used for DataView version 3.0-07 and higher.
If a zero ID is passed for idb, the function will return the ID of the first button area in the stack.