| Input Parameters | Significance |
| DtvLong idf | field Id |
| Output Parameters | Significance |
| no | - |
| Return Code | Significance |
| access Id of the field: | |
| 0 | invisible |
| r | read only |
| w | write |
| m | must write |
When the access Id is > 0 < , the field is not visible. You cannot position the cursor on the field.
When the access Id is > * < , the field access depends on the current work mode of mask edit state. You can set the mode-specific field access using the function dal_mas_set_acm_fld.
The function automatically invoke any set mask listener function.