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# Instrucción Do… Loop

Repeats the statements between the Do and the Loop statement while the condition is True or until the condition becomes True.

### Sintaxis:

      Do {While | Until} condition = True
      ' Do While: The statement block is repeated as long as the condition is true
      ' Do Until: The statement block is repeated as long as the condition is false
         statements
         [Exit Do]
         statements
      Loop

      Do
         statements
         [Exit Do]
         statements
      ' Loop While: The statement block repeats as long as the condition is true
      ' Loop Until: The statement block repeats until the condition is true
      Loop {While | Until} condition = True

### Parámetros:

The Do...Loop statement executes a loop as long as, or until, a certain condition is True. The condition for exiting the loop must be entered following either the Do or the Loop statement. The above examples are valid combinations.

condition: A comparison, numeric or Basic expression, that evaluates to either True or False.

statements: Statements that you want to repeat while or until a condition is True.

La instrucción Exit Do se utiliza para finalizar el bucle incondicionalmente. Esta instrucción se puede añadir en cualquier parte de una estructura Do...Loop. También se puede definir una condición de salida utilizando la estructura If...Then de la manera siguiente:

      Do...
         statements
         If condition = True Then Exit Do
         statements
      Loop...

### Ejemplo:

    Sub ExampleDoLoop
        Dim sFile As String
        Dim sPath As String
        sPath = "c:\"
        sFile = Dir$( sPath ,22)
        If sFile <> "" Then
            Do
                MsgBox sFile
                sFile = Dir$
            Loop Until sFile = ""
        End If
    End Sub

Temas relacionados

For, Select Case or While statements

Iif or Switch functions

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