Sharing a folder to network thru program

VB Code:
'THIS CODE IS FOR NT/2000
'5-3-2001 by JoshT
 
Option Explicit
Option Base 0
 
Private Const STYPE_DISKTREE As Long = 0 'disk drive
Private Const STYPE_PRINTQ As Long = 1 'printer
Private Const STYPE_DEVICE As Long = 2
Private Const STYPE_IPC As Long = 3
 
Private Type SHARE_INFO_2
    shi2_netname As String 'LPWSTR
    shi2_type As Long 'DWORD
    shi2_remark As String 'LPWSTR
    shi2_permissions As Long 'DWORD
    shi2_max_uses As Long 'DWORD
    shi2_current_uses As Long 'DWORD
    shi2_path As String 'LPWSTR
    shi2_passwd As String 'LPWSTR
End Type
 
'NetShareAdd returns 0 if no error
'
'lpwstrServerName As Any, --the computer to create the share on,
'                           NULL for local computer,
'                           otherwise must begin with "\\"
'ByVal dwordLevel As Long, -- specifies the type struct that contains the data
'       2 for SHARE_INFO_2 Struct
'       502 for SHARE_INFO_502 Struct
'ByVal lpbyteBuf As Any, -- pointer to the struct who type was specified above
'lpdwordParmErr As Long, -- if an error in the struct, the number of the struct's parameter
'                            that caused the error (0 is no error)
 
Private Declare Function NetShareAdd Lib "netapi32.dll" _
    (lpwstrServerName As Byte, _
    ByVal dwordLevel As Long, _
    ByVal lpbyteBuf As Long, _
    lpdwordParmErr As Long) As Long
    
 
 
Private Sub TestIt()
    Dim si2 As SHARE_INFO_2
    Dim retval As Long
    Dim parmerr As Long
    Dim compname() As Byte
    
    parmerr = 0
    'compname = vbNullString
    compname() = "\\COMPNAME" & vbNullChar
    
    si2.shi2_netname = "Test2C" & vbNullChar 'the name of the share
    si2.shi2_type = STYPE_DISKTREE 'the share is on the disk
    si2.shi2_remark = "Testing Out NetShareAdd VB API" & vbNullChar 'the comment
    si2.shi2_permissions = 0 'this should be ignored
    si2.shi2_max_uses = -1 'unlimited connections
    si2.shi2_current_uses = 0 'I don't think this is applicable
    si2.shi2_path = "C:\TEMP" & vbNullChar 'the path to the share
    si2.shi2_passwd = vbNullString 'NULL, the password 'this should be ignored
    retval = NetShareAdd(compname(0), 2, VarPtr(si2), parmerr)
    
End Sub
 
Private Sub Form_Load()
    TestIt
End Sub