How to Register / UnRegister ActiveX Components through Code

This code sample shows how to Register and Unregister ActiveX Components directly through VB Code - useful if you write your own Setup/Installation routines for projects.



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The project contains a BAS module with a function RegisterComponent - heres the header text that explains exactly how it works :


public Function RegisterComponent(byval FileName$, _
byval RegFunction as REGISTER_FUNCTIONS) as STATUS

'************************************************************
'Author: Vasudevan S
'Helena, MT
'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 ActiveXcomponents.
           '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
'************************************************************


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