void dal_wdg_set_fnc_del (idw, fnc)

Sets a widget-delete-listener callback function.

Input Parameters Significance
DtvLong idm widget Id
WDG_FNC_DEL_FNC fnc pointer to widget-delete-listener function

Output Parameters Significance
none -

Return Code Significance
none -

With the help of the widget-delete-listener callback function you can react on the deleting of widgets. The widget-delete-listener function is automatically invoked by dal_wdg_del_wdg.

The widget-delete-listener function must correspond to the specification DtvLong fnc(idw). The parameters are:

The listener function is invoked immediately after the Post_Mask trigger, but prior to deleting the widget and the corresponding mask. Thus, all widget data are still available and can be evaluated by the listener function.