Android Question Handle the Sender in another Sub possible, but only, if the Sender- Event Sub has an empty codeline?

[Cadenzo]

I have some SwiftButtons in some items of CustomListView and want to handle the Sender only in one Sub. This works only, if I have an empty line in the SwiftButtons _Click events. Why?

Sub SetNotenOption(mode As Int)
    Dim sbtn As SwiftButton = Sender 'is null, if the _Click event will not have an empty code-line
    Dim iIndex As Int = sbtn.Tag' find CLV-index via .Tag, because .GetItemFromView works not with SwiftButton, only B4Xview!  clvMusicList.GetItemFromView(Sender) 'Sender von SwiftButton 1-4
    Dim t As BookItemType = clvMusicList.GetValue(iIndex)
    Main.cG.i_MusicMode = mode
    Select mode
        Case 4, 5
            SetNoten(t, False)
        Case 6
        Case 7
                    
    End Select
End Sub

Private Sub SwiftButton1_Click
    'why we need an empty line here???
    SetNotenOption(5) 'Begleitung FrmMusic.i_MOD_BEGL
End Sub

Private Sub SwiftButton2_Click
    
    SetNotenOption(4) 'Kontrolle
End Sub

Private Sub SwiftButton3_Click 'will not work, because first line in the Sub has to be empty 
    SetNotenOption(6) 'Game
End Sub

Private Sub SwiftButton4_Click
    
    SetNotenOption(7) 'Info
End Sub

 

[DonManfred]

Why not setting SwiftButton as eventprefix and just USE one eventsub?
Your code makes zero sense to me

 

[Cadenzo]

I have a list with 4 SwiftButtons (4 options) in many Listitems. So the "Tag" property I need to identify the ListIndex when pressed, and can not use it, to identify the Button 1-4. That's why I use 4 event subs for every Button. This is not a problem. I just wondered, why it works only with an empty line. Just want to understand it.

 

[Cadenzo]

It's not quite the answer of the question, but now I found this Thread. So with clv.GetItemFromView(sbtn.mBase) it is possible to get Item also from a Switchbutton and no need for using Tag property. ?

 

[agraham]

So the "Tag" property I need to identify the ListIndex when pressed, and can not use it

Tag can contain an array, Map or List as it holds any object so you can use it hold any number of values as needed.