Associates an integer and string value with each field on a form. This data could then be used by a callback function. You can use a single callback function for all fields, and use the data to perform different operations for each field.
FormSetInst(hForm, hField, iData, sData)
The form handle, returned from the FormNew() function. The form handle identifies the table where all data on the associated form is stored.
The field handle of the field currently selected.
0 (zero) if successful, otherwise an error is returned.
! Open recipe database.
/* The device handle hDev is put into the next button , so when the button is selected it can get hDev and get the next record. */