| Input Parameters | Significance |
| DtvLong idb | button area Id |
| DtvLong idm | Id of the mask the button area is linked to |
| Output Parameters | Significance |
| none | - |
| Return Code | Significance |
| 0 | no error |
The buttons of the button area are fixed at their geometric position if the mask is scrolled in the widget. With the help of dal_but_fix_but you can make sure that important buttons are always visible, even in large scrollable forms.
The function can be called from pre_mask-trigger or after creating button-area or mask.
The function automatically invoke any set Button listener function.