If...Then...Else Statement

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

Syntax:

If...EndIf statement

ElseIf fragment

Else fragment


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

Instead of Else If you can write ElseIf, instead of End If you can write EndIf.

tip

If statements can be shortened to one line when using single statement blocks.



  If condition Then statement [Else statement]

Parameters:

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.

αž’αŸ’αž“αž€β€‹αž’αžΆαž…β€‹αžαŸ’αžšαž½αžβ€‹αžŸαŸαž…αž€αŸ’αžαžΈβ€‹αžαŸ’αž›αŸ‚αž„β€‹αž€αžΆαžšαžŽαŸ If...Then αž…αŸ’αžšαžΎαž“β€‹αž›αžΎβ€‹αž‚αŸ’αž“αžΆ αŸ”

Else αž“αž·αž„β€‹ElseIf αžŸαŸαž…αž€αŸ’αžαžΈβ€‹αžαŸ’αž›αŸ‚αž„β€‹αž€αžΆαžšαžŽαŸβ€‹αž‚αžΊβ€‹αžŸαŸ’αžšαŸαž…β€‹β€‹β€‹αž…αž·αžαŸ’αžΒ αŸ”

αžšαžΌαž”β€‹αžαŸ†αžŽαžΆαž„β€‹αž–αŸ’αžšαž˜αžΆαž“

αž’αŸ’αž“αž€β€‹αž’αžΆαž…β€‹αž”αŸ’αžšαžΎ GoTo αž“αž·αž„β€‹GoSub αžŠαžΎαž˜αŸ’αž”αžΈβ€‹αž›αŸ„αžβ€‹αž…αŸαž‰β€‹αž–αžΈβ€‹αž”αžŽαŸ’αžαž»αŸ† If...Then αž”αŸ‰αž»αž“αŸ’αžαŸ‚β€‹αž˜αž·αž“β€‹αžŠαžΎαž˜αŸ’αž”αžΈβ€‹αž›αŸ„αžβ€‹αž‘αŸ…β€‹αž€αŸ’αž“αž»αž„β€‹αžšαž…αž“αžΆβ€‹αžŸαž˜αŸ’αž–αŸαž“αŸ’αž’ If...ThenΒ αŸ”


Example:

αž§αž‘αžΆαž αžšαžŽαŸβ€‹αžŠαžΌαž…β€‹αžαžΆαž„β€‹αž€αŸ’αžšαŸ„αž˜ αž’αžΆαž…β€‹αž²αŸ’αž™β€‹αž’αŸ’αž“αž€β€‹αž”αž‰αŸ’αž…αžΌαž›β€‹αž‘αžΆαŸ†αž„β€‹β€‹αž€αžΆαž›β€‹αž”αžšαž·αž…αŸ’αž†αŸαž‘β€‹αž•αž»αžβ€‹αž€αŸ†αžŽαžαŸ‹β€‹αž“αŸƒβ€‹αž•αž›αž·αžαž•αž› αž“αž·αž„β€‹αž€αŸ†αžŽαžαŸ‹β€‹αž”αŸ’αžšαžŸαž·αž“β€‹αž”αžΎβ€‹αž€αžΆαž›β€‹αž”αžšαž·αž…αŸ’αž†αŸαž‘β€‹αž•αž»αžβ€‹αž€αŸ†αžŽαžαŸ‹β€‹αžαŸ’αžšαžΌαžœβ€‹αž”αžΆαž“β€‹αž•αŸ’αžαž›αŸ‹β€‹αž²αŸ’αž™β€‹Β αŸ”


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

Select Case statement

Iif or Switch functions

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