fgl_buffertouched()
Returns TRUE if the input buffer was
modified in the current field.
Syntax
fgl_buffertouched()
RETURNS INTEGER
Usage
The function returns TRUE if the input buffer has been modified
after the current field was selected (i.e. got the focus).
Call this function in AFTER FIELD, AFTER INPUT,
AFTER CONSTRUCT, ON KEY, ON ACTION
blocks.
This function is not equivalent to
FIELD_TOUCHED():
The modification status of fgl_buffertouched() is
reset when entering a new field, while FIELD_TOUCHED() returns
TRUE when a field was modified during the interactive instruction.