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# If...Then...Else instrukzioa

Baldintza edo adierazpen jakin bat True (egia) bada soilik exekutatuko den instrukzio-bloke bat edo gehiago definitzen ditu.

### Sintaxia:

      If condition Then
          statements
      [{ElseIf|Else If} expression Then
          statements]
      [Else
          statements]
      {EndIf|End If}

Else If idatzi ordez ElseIf idatzi daiteke, eta End If ordez EndIf idatzi daiteke.

If instrukzioak lerro bakarrean laburbildu daitezke instrukzio bakarreko blokeak erabilita.

      If condition Then statement [Else statement]

### Parametroak:

The If...Then statement executes program blocks depending on given conditions. When LibreOffice 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, LibreOffice Basic tests the next expression 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.

Hainbat If...Then instrukzio habiara ditzakezu.

Else eta ElseIf instrukzioak aukerakoak dira.

GoTo eta GoSub erabil ditzakezu If...Then bloketik irten eta If...Then egituran ez sartzeko.

### Adibidea:

Ondorengo adibideak produktu baten iraungitze-data sartzeko aukera ematen du, eta iraungitze-data igaro den ala ez zehazten du.

    Sub ExampleIfThenDate
        Dim sDate As String
        Dim sToday As String
        sData = InputBox("Sartu iraungitze-data (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 "Iraungitze-data gainditu da"
        ElseIf sDate > sToday Then
            MsgBox "Oraindik ez da iraungitze-data gainditu"
        Else
            MsgBox "Iraungitze-data gaur da"
        End If
    End Sub

Erlazionatutako gaiak

Select Case instrukzioa

Iif edo Switch funtzioak