Register DLL Files in Win 98

How to register DLL Files in Win 98 through a VB 6.0

Thanks in Advance.

Try the Start run regsvr32 program use some vb code to execute the statement through your program to the command line with the /s switch

use this.........
'==========================
Option Explicit

'All required Win32 SDK functions to register/unregister any ActiveX component

Private Declare Function LoadLibraryRegister Lib "KERNEL32" Alias "LoadLibraryA" _
(ByVal lpLibFileName As String) As Long

Private Declare Function FreeLibraryRegister Lib "KERNEL32" Alias "FreeLibrary" _
(ByVal hLibModule As Long) As Long

Private Declare Function CloseHandle Lib "KERNEL32" (ByVal hObject As Long) As Long


Private Declare Function GetProcAddressRegister Lib "KERNEL32" Alias "GetProcAddress" _
(ByVal hModule As Long, _
ByVal lpProcName As String) As Long

Private Declare Function CreateThreadForRegister Lib "KERNEL32" Alias "CreateThread" _
(lpThreadAttributes As Any, ByVal dwStackSize As Long, ByVal lpStartAddress As Long, _
ByVal lpparameter As Long, ByVal dwCreationFlags As Long, lpThreadID As Long) As Long

Private Declare Function WaitForSingleObject Lib "KERNEL32" _
(ByVal hHandle As Long, _
ByVal dwMilliseconds As Long) As Long

Private Declare Function GetExitCodeThread Lib "KERNEL32" _
(ByVal hThread As Long, lpExitCode As Long) As Long

Private Declare Sub ExitThread Lib "KERNEL32" (ByVal dwExitCode As Long)

Private Const STATUS_WAIT_0 = &H0
Private Const WAIT_OBJECT_0 = ((STATUS_WAIT_0) + 0)


Public Enum REGISTER_FUNCTIONS
DllRegisterServer = 1
DllUnRegisterServer = 2
End Enum

Public Enum STATUS
[File Could Not Be Loaded Into Memory Space] = 1
[Not A Valid ActiveX Component] = 2
[ActiveX Component Registration Failed] = 3
[ActiveX Component Registered Successfully] = 4
[ActiveX Component UnRegistered Successfully] = 5
End Enum
Public Function RegisterComponent(ByVal FileName$, _
ByVal RegFunction As REGISTER_FUNCTIONS) As STATUS

'**********************************************************************************
'Function: RegisterComponent
'Purpose: Registers/Unregisters any ActiveX DLL/EXE/OCX component
'Entry Points in ActiveX DLL/EXE/OCX are DllRegisterServer and DllUnRegisterServer
'Input: FileName: Any valid file with complete path
'RegFunction: Enumerated Type(DllRegisterServer, DllUnregisterServer)
'Returns: Returns the status of the call in a enumerated type
'Comments: The utility REGSVR32.EXE need not be used to register/unregister ActiveX
'components. This code can be embedded inside any application that needs
'to register/unregister any ActiveX component from within the code base
'SAMPLE FORM IS INCLUDED
'WORKS IN VB5.0/6.0

'HOW TO CALL:
'-----------
'Dim mEnum As STATUS
'
'TO REGISTER A COMPONENT USE
'mEnum = RegisterComponent("C:\windows\system\filename.dll", DllRegisterServer) 'to Register
'
'If mEnum = [File Could Not Be Loaded Into Memory Space] Then
' MsgBox "Your Message Here", vbExclamation
'ElseIf mEnum = [Not A Valid ActiveX Component] Then
' MsgBox "Your Message Here", vbExclamation
'ElseIf mEnum = [ActiveX Component Registration Failed] Then
' MsgBox "Your Message Here", vbExclamation
'ElseIf mEnum = [ActiveX Component Registered Successfully] Then
' MsgBox "Your Message Here", vbExclamation
'End If
'
'TO UNREGISTER A COMPONENT USE
'mEnum = RegisterComponent("C:\windows\system\filename.dll", DllUnRegisterServer) 'to UnRegister
'
'If mEnum = [File Could Not Be Loaded Into Memory Space] Then
' MsgBox "Your Message Here", vbExclamation
'ElseIf mEnum = [Not A Valid ActiveX Component] Then
' MsgBox "Your Message Here", vbExclamation
'ElseIf mEnum = [ActiveX Component Registration Failed] Then
' MsgBox "Your Message Here", vbExclamation
'ElseIf mEnum = [ActiveX Component UnRegistered Successfully] Then
' MsgBox "Your Message Here", vbExclamation
'End If
'************************************************************************************


Dim lngLib&, lngProcAddress&, lpThreadID&, fSuccess&, dwExitCode&, hThread&

If FileName = "" Then Exit Function

lngLib = LoadLibraryRegister(FileName)
If lngLib = 0 Then
RegisterComponent = [File Could Not Be Loaded Into Memory Space] 'Couldn't load component
Exit Function
End If

Select Case RegFunction
Case REGISTER_FUNCTIONS.DllRegisterServer
lngProcAddress = GetProcAddressRegister(lngLib, "DllRegisterServer")
Case REGISTER_FUNCTIONS.DllUnRegisterServer
lngProcAddress = GetProcAddressRegister(lngLib, "DllUnregisterServer")
Case Else
End Select

If lngProcAddress = 0 Then
RegisterComponent = [Not A Valid ActiveX Component] 'Not a Valid ActiveX Component
If lngLib Then Call FreeLibraryRegister(lngLib)
Exit Function
Else
hThread = CreateThreadForRegister(ByVal 0&, 0&, ByVal lngProcAddress, ByVal 0&, 0&, lpThreadID)
If hThread Then
fSuccess = (WaitForSingleObject(hThread, 10000) = WAIT_OBJECT_0)
If Not fSuccess Then
Call GetExitCodeThread(hThread, dwExitCode)
Call ExitThread(dwExitCode)
RegisterComponent = [ActiveX Component Registration Failed] 'Couldn't Register.
If lngLib Then Call FreeLibraryRegister(lngLib)
Exit Function
Else
If RegFunction = DllRegisterServer Then
RegisterComponent = [ActiveX Component Registered Successfully] 'Success. OK
ElseIf RegFunction = DllUnRegisterServer Then
RegisterComponent = [ActiveX Component UnRegistered Successfully] 'Success. OK
End If
End If
Call CloseHandle(hThread)
If lngLib Then Call FreeLibraryRegister(lngLib)
End If
End If
End Function
============================

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