This is a custom control written in C# WIndows Forms, that realizes a Vertical Toggle Button, Based on the toggle buttom from RJCodeAdvance ( https://github.com/RJCodeAdvance/Toggle-Button-WinForm ) and released under the same license.

You can see from the screenshots what it looks like :

there's also a property to choose where you want the OFF position (TOP or BOTTOM)

The property can be found in the "Custom" section, as shown below :

The class containing the control doesn't have external dependencies, so it can be easily extracted and put in any project you want.

Have fun