![](https://cdn.microvb.com/content/images/downloads-unitrack-crm.jpg)
Unitrack
Enterprise client/server with optional cloud hosted database CRM, billing and tracking system.
![](https://cdn.microvb.com/content/images/downloads-canadian-sin-validator.jpg)
Canadian SIN Validator
Visual basic source code snippet to validate Canadian SIN (Social Insurance Number)'s using the LUHN 10 algorythm
![](https://cdn.microvb.com/content/images/downloads-credit-card-validator.jpg)
Credit Card Validation
Visual basic source code for proper credit card validation using the LUHN 10 algorythm
![](https://cdn.microvb.com/content/images/downloads-raise-event-from-module.jpg)
Raise Event from a Module
Visual basic code to raise an event from a module in a component or class object to the parent form where the component or object is instantiated
![](https://cdn.microvb.com/content/images/downloads-strong-cryptography.jpg)
Strong Cryptography
Source code written in Visual basic to demonstrate strong encryption and decryption techniques
![](https://cdn.microvb.com/content/images/downloads-winsock-multi-connect-server.jpg)
Winsock Mult-Connect Server
Source code written in Visual basic to demonstrate a winsock server which hands off communication from a single listen port, and the client process for custom protocols
![](https://cdn.microvb.com/content/images/downloads-javascript-vertical-scroller.jpg)
Vertical Picture Scroller
Pure JavaScript code to demonstrate how to do a Vertical Picture scroller with pause on hover
![](https://cdn.microvb.com/content/images/downloads-textbox-select-highlight.jpg)
TextBox Select Highlight
How to create a custom TextBox in Visual basic with border color change on focus