With VBA determine which option button in a grouped set is selected in PowerPoint

Question

I've tried so many variations without success I have lost my brain. I need to set a group of variables based on which option button is selected within it's given group. There are 3 groups simply labeled OptionGroup1, OptionGroup2, & OptionGroup3. When the start button is executed I need to determine which options are selected and set the corresponding variables for use else where in the code. PowerPoint definitely is not the same as excel and I can't seem to get the right syntax for it. This particular attempt gives me "runtime error 438", "the object does not support this property or method"

Set myDocument = ActivePresentation.Slides(1)

Select Case myDocument.Shapes.GroupName = OptionGroup2
    
    Case Is = 1: ACLDelay = 1
    Case Is = 2: ACLDelay = 2
    Case Is = 3: ACLDelay = 3
    Case Is = 4: ACLDelay = Int((4 * Rnd) + 1)
    
End Select
    
Select Case myDocument.Shapes.GroupName = OptionGroup1

    Case Is = 1: RunInt = 15
    Case Is = 2: RunInt = 60
    Case Is = 3: RunInt = 30
    Case Is = 4: RunInt = 5
    
End Select

Select Case myDocument.Shapes.GroupName = OptionGroup1

    Case Is = 1: MODDelay = 1.5
    Case Is = 2: MODDelay = 1
    Case Is = 3: MODDelay = 2
    Case Is = 4: MODDelay = 0.5
    
End Select

Answer 1

Please, try the next way. "Opt1", "Opt1" etc. should be the names of the option buttons (you may use their caption, too, but the code must be adapted):

Sub testOptButtGroupName()
   Dim ap As Presentation, sh As Shape, opB As MSForms.OptionButton
   Dim RunInt As Long, ACLDelay As Long 'you probably have to declare these variable at the module level
   Set ap = ActivePresentation
   For Each sh In ap.Slides(1).Shapes
        If sh.Type = msoOLEControlObject Then
            If TypeName(sh.OLEFormat.Object) = "OptionButton" Then
            Select Case sh.OLEFormat.Object.GroupName
                Case "OptionGroup1"
                    Select Case sh.Name
                        Case "Opt1"
                            If sh.OLEFormat.Object.Value = True Then RunInt = 15
                        Case "Opt2"
                             If sh.OLEFormat.Object.Value = True Then RunInt = 60
                             'and so on...
                    End Select
                Case "OptionGroup2"
                   Select Case sh.Name
                        Case "Opt5"
                            If sh.OLEFormat.Object.Value = True Then ACLDelay = 1
                        Case "Opt6"
                            If sh.OLEFormat.Object.Value = True Then ACLDelay = 2
                            'and so on...
                    End Select
                    'and so on...
            End Select
            End If
        End If
   Next
   Debug.Print RunInt, ACLDelay
End Sub

In fact, using the controls name makes no necessary the use their group membership...

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