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

Π’Ρ‹Π±ΠΈΡ€Π°Π΅Ρ‚ ΠΎΠ΄ΠΈΠ½ ΠΈΠ· Π²Π°Ρ€ΠΈΠ°Π½Ρ‚ΠΎΠ² выполнСния ΠΏΡ€ΠΎΠ³Ρ€Π°ΠΌΠΌΡ‹ Π² зависимости ΠΎΡ‚ значСния числового выраТСния.

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.

Π—Π½Π°Ρ‡ΠΎΠΊ примСчания

БоглашСния GoTo ΠΈΠ»ΠΈ GoSub ΡΠ²Π»ΡΡŽΡ‚ΡΡ Π΄Π΅ΠΉΡΡ‚Π²ΡƒΡŽΡ‰ΠΈΠΌΠΈ.


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 & " Из ΠΏΡ€ΠΎΡ†Π΅Π΄ΡƒΡ€Ρ‹ 1 Π²" : Return
Sub2:
    sVar =sVar & " Из ΠΏΡ€ΠΎΡ†Π΅Π΄ΡƒΡ€Ρ‹ 2 Π²" : Return
Line1:
    sVar =sVar & " ΠœΠ΅Ρ‚ΠΊΠ° 1" : GoTo Ende
Line2:
    sVar =sVar & " ΠœΠ΅Ρ‚ΠΊΠ° 2"
Ende:
    MsgBox sVar,0,"On...GoSub"
End Sub