Step 1 : Create a New project and add 1 button

Step 2 : Double click on the button and type the following Code



Just run your tool and you have done however if you want to add a title and a style to your Msgbox keep reading.

Step 4 : Delete the last bracket after the end speech mark and put a comma



Step 5 : Change style from critical to whatever you want, same with the title.

You now have a working message box with a title and a style.