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- '
- ' *** UCASE_EX.BAS -- UCASE$ function programming example
- '
- DEFINT A-Z
-
- FUNCTION YesQues(Prompt$,Row,Col) STATIC
- OldRow=CSRLIN
- OldCol=POS(0)
- ' Print prompt at Row, Col.
- LOCATE Row,Col : PRINT Prompt$ "(Y/N):";
- DO
- ' Get the user to press a key.
- DO
- Resp$=INKEY$
- LOOP WHILE Resp$=""
- Resp$=UCASE$(Resp$)
- ' Test to see if it's yes or no.
- IF Resp$="Y" OR Resp$="N" THEN
- EXIT DO
- ELSE
- BEEP
- END IF
- LOOP
- ' Print the response on the line.
- PRINT Resp$;
- ' Move the cursor back to the old position.
- LOCATE OldRow,OldCol
- ' Return a Boolean value by returning the result of a test.
- YesQues=(Resp$="Y")
- END FUNCTION
-
- DO
- LOOP WHILE NOT YesQues("Do you know the frequency?",12,5)