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How to publish VB6 applications to the web

While some discuss if Microsoft Visual Basic 6.0 is still active, we agree with Tim Anderson’s opinion (click here to read the full article): “VB will stick around for a while. It is still the macro language of Microsoft Office – and yes, this is essentially the VB 6.0 variant, still included in Office 2016, though it is called Visual Basic for Applications.”

The present blog post is all about taking your old apps to the cloud. Those legacy apps are useful, robust and users love them. But these same users are now migrating to web environments. Can you put a VB6 Application on the web? Yes, you can!

We will show you how to adapt your VB6 application so you can publish your app to the web with Thinfinity VirtualUI.

Find below the link to download 2 examples:

First, we will see how to start the app in the development environment using ‘DemoVB6’.

To run the app you have to create VirtualUI object like this:

Private Sub Form_Load()

Set VUI = CreateObject(“VirtualUI.VirtualUI”)
VUI.DevMode = True
VUI.DevServer.Port = 6080
VUI.DevServer.Enabled = True
VUI.Start (60)

End Sub

Visual Basic to Web

Bear in mind you might need to register VirtualUI’s library. In order to do so, open command prompt as administrator and call VirtualUI’s dlls with the command ‘regsvr32’ like this:

C:\Program Files\Thinfinity\VirtualUI\bin64>regsvr32 Thinfinity.VirtualUI.dll

C:\Program Files\Thinfinity\VirtualUI\dev\bin64>regsvr32 Thinfinity.VirtualUI.dll

After you run the application you should see that VirtualUI’s development server will show on your system tray:

Visual Basic 6.0 to Web

Now you should be able to see the app running in the desktop and in the browser.

VB to Web

Left-Click it and hit ‘Open Web Browser’.

To publish your app in the “prod” server manager you just have to comment the following lines:

VUI.DevMode = True
VUI.DevServer.Port = 6080
VUI.DevServer.Enabled = True

Like this:

VB6 to web

Now you can build the .exe of the app and add it to VirtualUI’s server manager.

Take a look at the following article, it will show you how to register a Trial License for the Thinfinity Development Server :

How to register your Thinfinity VirtualUI v2.5 licenses

Would you like to have a private demo? There’s no compromise and no cost. We will be happy to show up our solutions to you and your team. Contact us to get a demo. We will schedule a moment at your earliest convenience.

Got questions? Send us a message at support@cybelesoft.com or leave a message on this same post.

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Comments (4)

wow, ssludos estoy interesado en la solucion vb6 to web, soy desarrollador vb6 y mysql, necesito su solucion para potenciar mis desarrollos y volvrrlos aplicaciones web, favor comuniquense conmigo si es posible en español.
saludos cordiales
Carlos Valente
595 981132188

¡Hola Carlos! VirtualUI será una solución perfecta para ti para publicar en la web tus aplicaciones VB6.
Te enviamos un email porque no pudimos comunicarnos por teléfono al numero que nos dejaste.
¿Podrías escribirme a mariana@cybelesoft.com?

Hola Mariana, me gustaría saber más y evaluar si se ajusta a lo que busco. Favor contactame.

Hola Claudio!
Acabo de enviarte un email.
Si no lo recibes puedes escribirme a mariana@cybelesoft.com

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