Updating the Fields on a Form

You can update the fields on the form by calling fm_updflds(), which can also be used for menus. The call for fm_updflds() is as follows:

void fm_updflds(fmp)

FORMPTR fmp;        /* Data form or menu to update            */

Before calling this function, the form must be displayed on the screen or made ready by calling fm_ready().

For a data form, fm_udpflds() refreshes the values displayed in the data fields, memo fields, and scrollable region fields on a form to the current values of the underlying data variable. fm_updflds() observes all field option settings controlling field display, including INITIALBLANKS. Fields and memos that have no underlying variable are cleared. Only the protected characters are redisplayed in these fields.

For a menu form, fm_updflds() redisplays the menu fields.