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Right!
But you have to be absolutely sure that (at least) ONE of the cases is true, else the program will bomb. I usually do something like this:
Adding that one little line with a comment " 'do nothing " prevents the program from an abnormal abort. Very little code; good insurance; lots of bang for the buck.
Good point, Zim. But if the user hits anything other than 1 or 2, he would get absolutely no output response and wonder ???.But you have to be absolutely sure that (at least) ONE of the cases is true, else the program will bomb. I usually do something like this:
Code:
Input "Option (1) or (2) ", kSelect Case k case 1 : print "You said ONE" case 2 : print "You said TWO" case else 'do nothingEnd SelectI would enhance your code as follows:
Code:
Input "Option (1) or (2) ", kSelect Case k case 1 : print "You said ONE" case 2 : print "You said TWO" case else : print "Error: Invalid Option"End Select Statistics: Posted by moneo — Thu Feb 02, 2006 9:25 pm
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But you have to be absolutely sure that (at least) ONE of the cases is true, else the program will bomb. I usually do something like this:
Code:
Input "Option (1) or (2) ", kSelect Case k case 1 : print "You said ONE" case 2 : print "You said TWO" case else 'do nothingEnd SelectStatistics: Posted by Zim — Thu Feb 02, 2006 12:35 pm
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Statistics: Posted by paulunknown — Wed Feb 01, 2006 11:52 pm
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Code:
SELECT CASE Cheese$ CASE IS "A" ... CASE IS "B" ... CASE IS "C" PRINT "TRY AGAIN" CASE IS "D" PRINT "TRY AGAIN" CASE IS "E" PRINT "TRY AGAIN" CASE IS "F" PRINT "TRY AGAIN"... CASE IS "Z" PRINT "TRY AGAIN"Code:
SELECT CASE Cheese$ CASE IS "A" PRINT "YOU WIN!" CASE IS "B" PRINT "YOU WIN!" CASE ELSE PRINT "YOU FAIL!"*caugh* No, I didn't say just like in windows... *caugh*
I hope you got that...
Statistics: Posted by {Nathan} — Mon Jan 30, 2006 9:27 pm
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Just remember, if you're going to use SELECT CASE after a keyboard input, you'd better have a CASE ELSE at the end of your case list, or you'll have to have a CASE for every key on the keyboard! Otherwise, after the first keystroke you're not checking for, the program bombs.
Sorry but I don't know what you are saying.Statistics: Posted by paulunknown — Sun Jan 29, 2006 3:24 pm
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(PaulUnknown's "nevermine" notwithstanding...)
Just remember, if you're going to use SELECT CASE after a keyboard input, you'd better have a CASE ELSE at the end of your case list, or you'll have to have a CASE for every key on the keyboard! Otherwise, after the first keystroke you're not checking for, the program bombs.
Very sound advice, Zim. Hope it doesn't fall on deaf ears. What'd you say? Just remember, if you're going to use SELECT CASE after a keyboard input, you'd better have a CASE ELSE at the end of your case list, or you'll have to have a CASE for every key on the keyboard! Otherwise, after the first keystroke you're not checking for, the program bombs.
Statistics: Posted by moneo — Fri Jan 27, 2006 10:45 pm
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Just remember, if you're going to use SELECT CASE after a keyboard input, you'd better have a CASE ELSE at the end of your case list, or you'll have to have a CASE for every key on the keyboard! Otherwise, after the first keystroke you're not checking for, the program bombs.
Statistics: Posted by Zim — Fri Jan 27, 2006 12:52 pm
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You bonehead...that specific code is never gonna work.Code:
DOk$ = INKEY$LOOP UNTIL k$ = "w"SELECT CASE k$[...]
k$ is ALWAYS going to be w after the loop because the loop won't end until it is so your SELECT CASE will only ever work with CASE "w". 
Silly Swede... 
Statistics: Posted by Z!re — Fri Jan 27, 2006 7:01 am
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Statistics: Posted by paulunknown — Fri Jan 27, 2006 1:02 am
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Code:
Key$ = ""WHILE Key$ = ""Key$ = INKEY$WENDSELECT CASE LCASE$(Key$) 'LCASE$ is optionalCASE "w"[. . .]CASE "e"[. . .]END SELECTCode:
SELECT CASE ASC(LCASE$(Key$))CASE 27[. . .] 'ESC was pressed.END SELECTStatistics: Posted by Patz QuickBASIC Creations — Tue Jan 24, 2006 3:12 pm
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EDIT: Yup, that's better...
Statistics: Posted by Zim — Tue Jan 24, 2006 12:28 pm
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Code:
DO SELECT CASE INKEY$ CASE "a" 'do whatever EXIT DO CASE "b" 'do whatever EXIT DO END SELECTLOOPStatistics: Posted by The Awakened — Mon Jan 23, 2006 1:16 pm
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