Table scroll bars not hidden correctly in Igor 9?

Function MyTestPanel()
   
    SetDataFolder root:
   
    KillWindow/Z TestPanel  //Kill old panel
    NewPanel/W=(30,30,650,425)/N=TestPanel as "TestPanel"   //Make a blank panel
   
    TabControl TestPanel size={500,350}, pos={10,10}, proc=MyTabControl, value=0        //Set up tab control
    TabControl TestPanel tabLabel(0)="Tab 0", tabLabel(1) = "Tab 1", tabLabel(2) = "Tab 2"  //Label the tabs
   
    Make/O/N=10 MyTestWave0, MyTestWave1, MyTestWave2   //Make some test waves
   
    Edit/W=(50,50,200,200)/HIDE=0/HOST=#/N=Table0 MyTestWave0   //Make table 0 on tab 0
    SetActiveSubwindow ##

    Edit/W=(125,125,275,275)/HIDE=1/HOST=#/N=Table1 MyTestWave1 //Make table 1 on tab 1
    SetActiveSubwindow ##

    Edit/W=(200,200,350,350)/HIDE=1/HOST=#/N=Table2 MyTestWave2 //Make table 2 on tab 2
    SetActiveSubwindow ##
End

Function MyTabControl(name, tab) : TabControl
    String name
    Variable tab
   
    //Depending on what tab is enabled, hide or show different tables
    If(tab == 0)
        SetWindow TestPanel#Table0, hide = 0
        SetWindow TestPanel#Table1, hide = 1
        SetWindow TestPanel#Table2, hide = 1
    ElseIf(tab == 1)
        SetWindow TestPanel#Table0, hide = 1
        SetWindow TestPanel#Table1, hide = 0
        SetWindow TestPanel#Table2, hide = 1   
    ElseIf(tab == 2)
        SetWindow TestPanel#Table0, hide = 1
        SetWindow TestPanel#Table1, hide = 1
        SetWindow TestPanel#Table2, hide = 0   
    EndIf
End