Can someone break down how to detect usb

See more:

C#

WPF

USB

what is the simplest way to auto detect USB insertion and removal i know there are projects here that show it but either are outdated or not what im after
which is just for the application to auto detect USB insertion and removal and display a message box saying which has occurred
i honestly have no clue on how to add it into my WPF application
Can someone break down how to detect USB and what happens

class USBDetection
    {
        public void USBConnected(object sender, EventArgs e)
        {
            MessageBox.Show("USB Connected");
        }
        public void USBRemoved(object sender, EventArgs e)
        {
            MessageBox.Show("USB Removed");
        }
    }

please no links to old projects as if try them and still cannot get them to work