Programming Guide |
Updates the contents of an option menu or combo box
int sm_upd_select(int fldno);int sm_n_upd_select(char *fldname);
fldname, fldno
- The name or field number of the option menu or combo box to update.
Motif, Windows
sm_upd_select
updates the contents of an option menu or combo box with data from another screen. The widget must be defined to accept data from an external screen; otherwise, the function returns an error.An option menu or combo box that gets its data from a screen can be initialized either on screen entry or each time the widget list displays, depending whether its
initialization
property is set toPV_FILL_AT_POPUP
orPV_FILL_AT_INIT
. Usesm_upd_select
to force updates only ifinitialization
is set toPV_FILL_AT_INIT
.Note: If fields on the external screen have initial data, LDB write-through is disabled for those fields.