Italian [risolto] B4J - CSS multipli

    MainForm = Form1
    MainForm.Stylesheets.Add(File.GetUri(File.DirAssets,"dark.css"))
    MainForm.SetFormStyle("UNDECORATED")
    MainForm.Show
    Dim cc As ClassCalendar
    cc.Initialize
    cc.ini_base_form(MainForm,0,0,MainForm.Width,MainForm.Height)

Sub Process_Globals
    Private fx As JFX
    Private MainForm As Form
    Private Button1 As Button
    Private Button2 As Button
    Private Button3 As Button
End Sub

Sub AppStart (Form1 As Form, Args() As String)
    MainForm = Form1
    MainForm.RootPane.LoadLayout("Layout1") 'Load the layout file.
    MainForm.Show
    Colore(Button1, fx.Colors.Red)
    Colore(Button2, fx.Colors.Green)
    Colore(Button3, fx.Colors.Yellow)
End Sub

'Return true to allow the default exceptions handler to handle the uncaught exception.
Sub Application_Error (Error As Exception, StackTrace As String) As Boolean
    Return True
End Sub

Sub Colore (view As Node, col As Paint) As String
    Return CSSUtils.SetBackgroundColor(view, col)
End Sub