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# On...GoSub Statement; On...GoTo Statement

Branches to one of several specified lines in the program code, depending on the value of a numeric expression.

## სინტაქსი

    On N GoSub Label1[, Label2[, Label3[,...]]]

    On NumExpression GoTo Label1[, Label2[, Label3[,...]]]

## Parameters:

NumExpression: Any numeric expression between 0 and 255 that determines which of the lines the program branches to. If NumExpression is 0, the statement is not executed. If NumExpression is greater than 0, the program jumps to the label that has a position number that corresponds to the expression (1 = First label; 2 = Second label)

Label: Target line according to GoTo or GoSub structure.

The GoTo or GoSub conventions are valid.

## მაგალითი:

    Sub ExampleOnGosub

    Dim iVar As Integer

    Dim sVar As String

        iVar = 2

        sVar =""

        On iVar GoSub Sub1, Sub2

        On iVar GoTo Line1, Line2

        Exit Sub

    Sub1:

        sVar =sVar & " From Sub 1 to" : Return

    Sub2:

        sVar =sVar & " From Sub 2 to" : Return

    Line1:

        sVar =sVar & " Label 1" : GoTo Ende

    Line2:

        sVar =sVar & " Label 2"

    Ende:

        MsgBox sVar,0,"On...GoSub"

    End Sub