FGL_LASTKEY ( )
The FGL_LASTKEY( ) function returns an INTEGER code, corresponding to the
logical key that the user most recently typed in a field of a screen form.
The FGL_LASTKEY( ) function returns a numeric code for the last keystroke by
the user before FGL_LASTKEY( ) was called. For example, if the last key that the
user entered was the lowercase s, the FGL_LASTKEY( ) function returns 115.
The value returned by FGL_LASTKEY( ) is undefined in a MENU statement.
References
ASCII
FGL_KEYVAL( )