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

αž”αŸ†αž”αŸ‚αž€β€‹αž‘αŸ…β€‹αž‡αž½αžšβ€‹αž˜αž½αž™β€‹αž“αŸƒβ€‹αž‡αž½αžšβ€‹αžŠαŸ‚αž›β€‹αž”αžΆαž“β€‹αž”αž‰αŸ’αž‡αžΆαž€αŸ‹β€‹β€‹αž‡αžΆβ€‹αž…αŸ’αžšαžΎαž“β€‹αž€αŸ’αž“αž»αž„β€‹αž€αžΌαžŠβ€‹αž€αž˜αŸ’αž˜αžœαž·αž’αžΈ αž’αžΆαžŸαŸ’αžšαŸαž™β€‹αž›αžΎβ€‹αžαž˜αŸ’αž›αŸƒβ€‹αž“αŸƒβ€‹αž€αž“αŸ’αžŸαŸ„αž˜β€‹αž›αŸαžΒ αŸ”

Syntax:

On GoSub/GoTo syntax


On expression GoSub Label1[, Label2[, Label3[,...]]]
On expression GoTo Label1[, Label2[, Label3[,...]]]

Parameters:

expression: Any numeric expression between 0 and 255 that determines which of the lines the program branches to. If expression is 0, the statement is not executed. If expression 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.

αžšαžΌαž”β€‹αžαŸ†αžŽαžΆαž„β€‹αž…αŸ†αžŽαžΆαŸ†

αž€αžΆαžšβ€‹αž€αŸ†αžŽαžαŸ‹ GoTo ឬ GoSub αž‚αžΊβ€‹αžαŸ’αžšαžΉαž˜αžαŸ’αžšαžΌαžœΒ αŸ”


Example:


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 1 to" : Return
Line1:
    sVar =sVar &  " Label 1" : GoTo Ende
Line2:
    sVar =sVar &  " Label 1"
Ende:
    MsgBox sVar,0,"On...GoSub"
End Sub

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