Guide for adding custom theme to your visual basic application.. 1. Create new project using your Vb.net IDE but i recommend use visual studio 2012 and up version 2. in your project create new and choose windows form 3. add new class 4. delete everything inside the class 5. Open this link ----> http://backspacecorner.weebly.com/blog/visual-basicnet-themes 6. Copy the source code from the chosen theme 7. Paste the source code from the chosen theme to the class 8. name the class anythin you want then save. 9. the last thing is click build then look into your toolbox you will see the new tool from your theme :)