Sub Main()
Dim swApp As SldWorks.SldWorks
Set swApp = CreateObject("SldWorks.Application")
If swApp.GetUserPreferenceToggle(swDisplayEnableSelectionThroughTransparency) Then
swApp.SetUserPreferenceToggle swDisplayEnableSelectionThroughTransparency, False
Else
swApp.SetUserPreferenceToggle swDisplayEnableSelectionThroughTransparency, True
End If
End Sub