Vista - syntax of shellexecute

Hi, Guys!
Sorry for my poor English.
I need some help.
I got a vbs file as follow:

If WScript.Arguments.length =0 Then
Set objShell = CreateObject("Shell.Application")
'Pass a bogus argument with leading blank space, say [ uac]
objShell.ShellExecute "wscript.exe", Chr(34) & _
WScript.ScriptFullName & Chr(34) & " uac", "", "runas", 1
Else
'Add your code here
End If

I wonder how objShell.ShellExecute work with the UAC of Vista,Windows 7
and its syntax .
Thanks.

This is what I use for my code, works for Vista and Windows 7.



If WScript.Arguments.length = 0 Then
Set ObjShell = CreateObject("Shell.Application")
ObjShell.ShellExecute "wscript.exe", """" & _
WScript.ScriptFullName & """" &_
" RunAsAdministrator", , "runas", 1
Else
'Code here
End If



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