Muchas gracias!!! me resulto asi
Código vb:
Ver originalDim c As Control
Dim g As Control
Dim p As Control
For Each p In TabPage1.Controls
If TypeOf p Is Panel Then
For Each g In p.Controls
If TypeOf g Is GroupBox Then
For Each c In g.Controls
If TypeOf c Is TextBox Then
c.Enabled = True
ElseIf TypeOf c Is ComboBox Then
c.Enabled = True
ElseIf TypeOf c Is CheckBox Then
c.Enabled = True
End If
Next
End If
Next
End If
Next