| Input Parameters | Significance |
| DtvLong idf | field Id |
| char typ |
type of selection tool: 'B' = radio button area 'C' = choice box 'W' = modal window (recursive widget) |
| Output Parameters | Significance |
| none | - |
| Return Code | Significance |
| 0 | all ok |
The function automatically invoke any set mask listener function.