Input Parameters | Significance |
DtvLong idf | field Id |
DtvLong row | row position in the field |
Output Parameters | Significance |
DtvLong *log | boolean value |
Return Code | Significance |
0 | no error |
-1 | field Id is NULL |
1 | wrong row position |
3 | wrong field type |
4 | field contents is no logical value |
You can only apply the function to fields of the types boolean, string, and calculate.
The logical value is > 0 < when switched to > OFF < and other than > 0 < when switched to > ON < .