Option Explicit
Public Platform As Long 'Platform ID of OS.  1 or 2

'Structure for Getversion
Public Type OSVERSIONINFO
        dwOSVersionInfoSize As Long
        dwMajorVersion As Long
        dwMinorVersion As Long
        dwBuildNumber As Long
        dwPlatformId As Long
        szCSDVersion As String *  128       '  Maintenance string for PSS usage
End Type

Public Const STYPE_DISKTREE As Long =  0 
Public Const STYPE_PRINTQ As Long =  1 
Public Const STYPE_DEVICE As Long =  2 
Public Const STYPE_IPC As Long =  3 

'Access types
Public Const ACCESS_READ As Long = &H1
Public Const ACCESS_WRITE  As Long = &H2
Public Const ACCESS_CREATE  As Long = &H4
Public Const ACCESS_EXEC  As Long = &H8
Public Const ACCESS_DELETE As Long = &H10
Public Const ACCESS_ATRIB  As Long = &H20
Public Const ACCESS_PERM  As Long = &H40
Public Const ACCESS_ALL  As Long = &H7F
Public Const WNTYPE_DRIVE  As Long =  1 
Public Const SHI_USES_UNLIMITED  As Long = - 1 

'Info structures for NetShareAdd
Type SHARE_INFO_2
    shi2_netname As String *  14 
    shi2_type As Long
    shi2_remark As String  'Far pointer to string
    shi2_permissions As Long
    shi2_max_uses As Long
    shi2_current_uses As Long
    shi2_path As String    'Far pointer to string
    shi2_passwd As String *  10 
End Type

Type SHARE_INFO_50
    shi50_netname As String
    shi50_type As String
    shi50_flags As Long
    shi50_remark As String
    shi50_path As String
    shi50_rw_password As String
    shi50_ro_password As String
End Type

'ACL for Security Descriptor
Public Type ACL
        AclRevision As Byte
        Sbz1 As Byte
        AclSize As Integer
        AceCount As Integer
        Sbz2 As Integer
End Type

'Security Descriptor for SHARE_INFO_502
Public Type SECURITY_DESCRIPTOR
        Revision As Byte
        Sbz1 As Byte
        Control As Long
        Owner As Long
        Group As Long
        Sacl As ACL
        Dacl As ACL
End Type

Type SHARE_INFO_502
    shi502_netname As String
    shi502_type As Long
    shi502_remark As String
    shi502_permissions As Long
    shi502_max_uses As Long
    shi502_current_uses As Long
    shi502_path As String
    shi502_passwd As String
    shi502_reserved As Long
    shi502_security_descriptor As SECURITY_DESCRIPTOR
End Type

Public Security As SECURITY_DESCRIPTOR

Public Declare Function GetVersionEx Lib "kernel32" Alias "GetVersionExA" _
                            (lpVersionInformation As OSVERSIONINFO) As Long
Public Declare Function lstrcpy Lib "kernel32" _
                    (ByVal lpString1 As Any, ByVal lpString2 As Any) As Long
'NT
Public Declare Function NetShareDelNT Lib "netapi32.dll" Alias "NetShareDel" _
(ByVal servername As Any, ByVal netname As String, ByVal reserved As Long) As Long
Public Declare Function NetShareAddNT Lib "netapi32.dll" Alias "NetShareAdd" _
                                (ByVal servername As Any, ByVal slevel As Long, _
                                buf As SHARE_INFO_502, ByVal cbbuf As Long) As Long
'9x
Public Declare Function NetShareDel9x Lib "svrapi.dll" Alias "NetShareDel" _
(ByVal servername As Any, ByVal netname As String, ByVal reserved As Long) As Long
Public Declare Function NetShareAdd9x Lib "svrapi.dll" Alias "NetShareAdd" _
(ByVal servername As Any, ByVal slevel As Long, buf As SHARE_INFO_50, ByVal cbbuf As Long) As Long

'====================
'ADD CODE TO FORM:
'====================
Option Explicit
Dim SI2 As SHARE_INFO_2
Dim SI502 As SHARE_INFO_502
Dim SI50 As SHARE_INFO_50
Dim OSVERInfo As OSVERSIONINFO
Dim ShareRemark As String
Dim SharePath As String
Dim nerr As Long
Dim nPath As String
Dim pwd As String
Dim ret As Long
Dim OS As Long
Private Sub Form_Load()
    OSVERInfo.dwOSVersionInfoSize = Len(OSVERInfo)
    OS = GetVersionEx(OSVERInfo)
    Command1.Caption = "Create Share NT"
    Command2.Caption = "Create Share Win9x"
    Command3.Caption = "Delete Share"
End Sub
Private Sub Command1_Click()
'NT
On Error Resume Next
    SetStrings
    nerr = NetShareAddNT( 0 &,  2 , SI502, ret)
    Print nerr
End Sub
Private Sub Command2_Click()
'9x
On Error Resume Next
    SetStrings
    nerr = NetShareAdd9x( 0 &,  50 , SI50, ret)
    Print nerr
End Sub
Private Sub Command3_Click()
'Delete
On Error Resume Next
    If OSVERInfo.dwPlatformId =  1  Then
        nerr = NetShareDel9x( 0 &, nPath,  0 &)
    Else
        nerr = NetShareDelNT( 0 &, nPath,  0 &)
        Print nerr
    End If
End Sub
Public Sub SetStrings()
    If OSVERInfo.dwPlatformId =  1  Then
'9x OS
        nPath = "NewShare"
        ShareRemark = "Remark for new share"
        SharePath = "C:\dos"
        pwd = "Share"
        
        SI50.shi50_netname = nPath
        SI50.shi50_path = SharePath

        SI50.shi50_remark = ShareRemark
        SI50.shi50_type = STYPE_DISKTREE
        SI50.shi50_ro_password = vbNullChar
        SI50.shi50_rw_password = vbNullChar
        
    Else
'NT OS
        nPath = StrConv("NewShare", vbUnicode)
        ShareRemark = StrConv("Remark for new share", vbUnicode)
        SharePath = StrConv("C:\dos", vbUnicode)
        pwd = StrConv("Share", vbUnicode)
    
        SI502.shi502_current_uses =  0 
        SI502.shi502_max_uses =  10 
        SI502.shi502_netname = nPath
        SI502.shi502_passwd = pwd
        SI502.shi502_path = SharePath
        SI502.shi502_permissions = ACCESS_ALL
        SI502.shi502_remark = ShareRemark
        SI502.shi502_reserved =  0 
        SI502.shi502_security_descriptor = Security
        SI502.shi502_type = STYPE_DISKTREE
        
    End If
End Sub