| .IF...THEN...ELSE Statement QuickSCREENi |
|
 QuickSCREEN Details Example Contents Index |
| ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ |
| IF...THEN...ELSE - a control flow statement that allows conditional |
| execution or branching, based on the evaluation of |
| an expression that must be either true or false |
|
| Block IF...THEN...ELSE Syntax |
| IF booleanexpression1 THEN |
| [statementblock-1] |
| [ELSEIF booleanexpression2 THEN |
| [statementblock-2] |
| . . . |
| [ELSE |
| [statementblock-n]] |
| END IF |
| ž booleanexpression is an expression that must return non-zero (true) |
| or zero (false) |
| ž statementblock consists of any number of statements on one or more |
| lines. |
|
| Single-line IF...THEN...ELSE Syntax |
| IF booleanexpression THEN thenpart [ELSE elsepart] |
| ž booleanexpression is an expression that must return non-zero (true) |
| or zero (false) |
| ž thenpart consists of the statements or branches performed when |
| booleanexpression is true (see Details) |
| ž elsepart consists of the statements or branches performed when |
| booleanexpression is false |
|
| See Also SELECT CASE ON...GOTO ON...GOSUB |
