The second parameter in the WSH Run method is window type. Passing 0 would hide the window. See http://msdn.microsoft.com/library/default.asp?url=/library/en-us/script56/html/wsmthrun.asp for details.

lnSuccess = loShell.Run(lcCmd,0,.t.)

You can also use API_APPRUN in .VCX form File #9477

>How can I suppress the DOS window from poping while using DOS commands [command line], in my programs.
>
>This is the code that I have been working with. It does the job, but keeps poping the Dos Window throughout my commands.
>
>

>* mdir    is the directory variable
>* zipfl   is the zip file name variable
>
>mtopdir = subs(mdir,1,at('\',mdir)-1)
>mtopfls = subs(zipfl,1,at('.',zipfl))+'top'
>
>*** Either OF these
>!zip &mtopfls &mtopdir\*.* >BitRun.bak
>*** Or
>=ShellBackup([zip &mtopfls &mtopdir\*.* >BitRun.bak])
>***
>
>FUNC ShellBackup
>Para lcCmd
>loShell = CREATEOBJECT("wscript.shell")
>lnSuccess = loShell.Run(lcCmd,1,.t.)
>

>
>Thanks