IF...THEN...ELSE Statement QuickSCREEN
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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
■ booleanexpression is an expression that must return non-zero (true)
or zero (false)
■ statementblock consists of any number of statements on one or more
lines.
Single-line IF...THEN...ELSE Syntax
IF booleanexpression THEN thenpart [ELSE elsepart]
■ booleanexpression is an expression that must return non-zero (true)
or zero (false)
■ thenpart consists of the statements or branches performed when
booleanexpression is true (see ◄Details►)
■ elsepart consists of the statements or branches performed when
booleanexpression is false
See Also ◄SELECT CASE► ◄ON...GOTO► ◄ON...GOSUB►