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Basic

If...Then...Else Statement [Runtime]

Defines one or more statement blocks that you only want to execute if a given condition is True.

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Syntax:

If condition=true Then Statement block [ElseIf condition=true Then] Statement block [Else] Statement block End If

Parameters:

The If...Then statement executes program blocks depending on given conditions. When OpenOffice.org Basic encounters an If statement, the condition is tested. If the condition is True, all subsequent statements up to the next Else or ElseIf statement are executed. If the condition is False, and an ElseIf statement follows, OpenOffice.org Basic tests the next condition and executes the following statements if the condition is True. If False, the program continues either with the next ElseIf or Else statement. Statements following Else are executed only if none of the previously tested conditions were True. After all conditions are evaluated, and the corresponding statements executed, the program continues with the statement following EndIf.

You can nest multiple If...Then statements.

Else and ElseIf statements are optional.

You can use GoTo and GoSub to jump out of an If...Then block, but not to jump into an If...Then structure.

The following example enables you to enter the expiration date of a product, and determines if the expiration date has passed.

Example:

Sub ExampleIfThenDate

Dim sDate as String

Dim sToday as String

sDate = InputBox("Enter the expiration date (MM.DD.YYYY)")

sDate = Right$(sDate, 4) + Mid$(sDate, 4, 2) + Left$(sDate, 2)

sToday = Date$

sToday = Right$(sToday, 4)+ Mid$(sToday, 4, 2) + Left$(sToday, 2)

If sDate < sToday Then

MsgBox "The expiration date has passed"

ElseIf sDate > sToday Then

MsgBox "The expiration date has not yet passed"

Else

MsgBox "The expiration date is today"

End If

End Sub

Index

If statement

This help text for MS Windows , published from the OpenOffice.org Help files Release 2.1 under the Public Documentation License 1.0.