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.



Click here for a larger image.


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
'************************************************************


Download Zipped Project File (3k)



Comments

  • There are no comments yet. Be the first to comment!

Leave a Comment
  • Your email address will not be published. All fields are required.

Top White Papers and Webcasts

  • The explosion in mobile devices and applications has generated a great deal of interest in APIs. Today's businesses are under increased pressure to make it easy to build apps, supply tools to help developers work more quickly, and deploy operational analytics so they can track users, developers, application performance, and more. Apigee Edge provides comprehensive API delivery tools and both operational and business-level analytics in an integrated platform. It is available as on-premise software or through …

  • Live Event Date: September 10, 2014 @ 11:00 a.m. ET / 8:00 a.m. PT Modern mobile applications connect systems-of-engagement (mobile apps) with systems-of-record (traditional IT) to deliver new and innovative business value. But the lifecycle for development of mobile apps is also new and different. Emerging trends in mobile development call for faster delivery of incremental features, coupled with feedback from the users of the app "in the wild". This loop of continuous delivery and continuous feedback is …

Most Popular Programming Stories

More for Developers

Latest Developer Headlines

RSS Feeds