Field functions

This chapter describes the built-in 4GL functions used to manipulate form fields:

• fgl_buffertouched() shows whether a field was modified
• fgl_dialog_infield() tests whether the cursor is located within a particular field
• fgl_dialog_getbuffer() retrieves the contents of the buffer
• fgl_dialog_getcursor() returns the cursor position in the currently prompted field
• fgl_getfieldname() returns the name of the currently active field
• fgl_dialog_setbuffer() writes the passed value to the current field
• fgl_dialog_setcursor() sets the cursor at a defined position in the current field
• fgl_dialog_setfieldorder() determines the order in which values are placed in fields
• fgl_dialog_setselection() selects a text string within the current field
• fgl_dialog_getselectionend() returns the position of the last character of the string selected within the current field
• fgl_dialog_update_data() writes data from a specific field to the input variable before saving all data on the entire page
• fgl_formfield_getoption() retrieves information about the current field during a dialog