How do I launch explorer from my Visual Basic application ?

I can launch the explorer using the following command:

Public Function StartExplorer(Path As String) As Long

Dim Scr_hDC As Long
Scr_hDC = GetDesktopWindow()

StartExplorer = ShellExecute(Scr_hDC, "Open", Path, _
"", "C:\", SW_SHOWNORMAL)

End Function

where Path is C:

But how do I get the sidewindow which lists all the folders to appear ?

Shell "explorer.exe /n,/e,C:\", vbNormalFocus

does the same thing but no API

Thanks.