B4J Question [ABMaterial] How to detect Client Browser resize event

public Sub ConnectPage()
    'NEW
    ABMShared.ConnectNavigationBar(page)
 
'    ' add header
    page.Cell(1,1).AddComponent(ABMShared.BuildHeader(page, "hdr1", "Welcome to ABMaterial!"))
'    ' add paragraph
    page.Cell(1,1).AddComponent(ABMShared.BuildParagraph(page, "par1", "ABMaterial is a framework ")) 'Reduced the write up here.
 
'    ' create slider
'    Dim slider As ABMImageSlider
'    slider.Initialize(page, "slider", "myslider")
'
'    ' add images
'    slider.AddSlideImage("../images/about1.png",  "No knowledge of HTML or CSS required","Over 35 Material controls!", ABM.IMAGESLIDER_RIGHT)
'    slider.AddSlideImage("../images/about2.png", "All controlable with pure B4J code","Over 35 Material controls!", ABM.IMAGESLIDER_RIGHT)
'    slider.AddSlideImage("../images/about3.png", "Controls are animated","Over 35 Material controls!", ABM.IMAGESLIDER_RIGHT)
'    slider.AddSlideImage("../images/about4.png", "Interact with the controls","Over 35 Material controls!", ABM.IMAGESLIDER_CENTER)
'    slider.AddSlideImage("../images/about5.png", "Helpers create effects like Parallax","Over 35 Material controls!", ABM.IMAGESLIDER_RIGHT)
'    slider.AddSlideImage("../images/about6.png", "Modern looking controls","Over 35 Material controls!", ABM.IMAGESLIDER_RIGHT)
'    slider.AddSlideImage("../images/about7.png", "Advanced easy to implement upload files","Over 35 Material controls!", ABM.IMAGESLIDER_RIGHT)
'    slider.AddSlideImage("../images/about8.png", "Create you own controls with the canvas","Over 35 Material controls!", ABM.IMAGESLIDER_CENTER)
'
'    page.Cell(2,1).AddComponent(slider)
'    
'    ' add paragraph
'    page.Cell(3,1).AddComponent(ABMShared.BuildParagraph(page, "par2", "{B}{I}This site you are now exploring is written completely in B4J without having to write a single line of HTML, CSS or Javascript code!{/I}{/B} All this code is automatically generated while you can program your WebApp in an object oriented way like you are used to in the other Anywhere products like B4A, B4i and B4J.  ABMaterial controls can be themed and have events you can use in B4J to manipulate the app. Using jQueryelement in ABMaterial, you do not have to worry about Futures etc, as all is taken care of in the library. "))
'    ' add paragraph
'    page.Cell(3,1).AddComponent(ABMShared.BuildParagraph(page, "par3", "ABMaterial WebApps are Desktop, Tablet and Phone aware. Depending on the size of the screen, your app can appear different.  For example when you resize this site on a desktop, you'll notice the SideBar on the left will disappear and a 'hamburger' button will appear in the TopBar.  See layouts for more information on how to do this. Click on the images for a larger view."))
'
'    ' add the images
'    page.Cell(4,1).AddComponent(ABMShared.BuildImage(page, "img1", "../images/Desktop.jpg",1, "ABMaterial in a desktop webbrowser" ))
'    page.Cell(4,2).AddComponent(ABMShared.BuildImage(page, "img2", "../images/Tablet.png",1, "ABMaterial on a tablet"))
'    page.Cell(4,3).AddComponent(ABMShared.BuildImage(page, "img3", "../images/Phone.png",1, "ABMaterial on a phone" ))
'
'    ' add header
'    page.Cell(5,1).AddComponent(ABMShared.BuildHeader(page, "hdr2", "So how does it work?" ))
'    ' add paragraph
'    page.Cell(5,1).AddComponent(ABMShared.BuildParagraph(page, "par4", "ABMaterial is split into two parts: Grids/Components and Themes. Grids/Components define the structure and components within your page.  Themes can be used to define the look of the components in your app."))
'    ' add paragraph
'    page.Cell(5,1).AddComponent(ABMShared.BuildParagraph(page, "par5", "A good place to start is reading the Getting started section." ))
'    ' add paragraph
'    page.Cell(5,1).AddComponent(ABMShared.BuildParagraph(page,"par13","I hope you'll enjoy programming with ABMaterial.  Check out the {AL}https://www.b4x.com/android/forum/{AT}{C:#00B183}B4J forum{/C}{/AL} for questions, bugs or suggestions. I spend a lot of time in there..."))
'
'    Dim img As ABMImage
'    img.Initialize(page, "img", "../images/alainbailleul." & ABMShared.AssetsVersion & ".png", 1)
'    page.Cell(6,1).AddComponent(img)
'
'    Dim donButton As DonateButton
'    donButton.Initialize(page, "donButton")
'    page.Cell(6,1).AddComponent(donButton.ABMComp)
             
    ' also add the components to the footer
    ABMShared.ConnectFooterFixed(page)
     
    page.Refresh ' IMPORTANT!
     
    ' NEW, because we use ShowLoaderType=ABM.LOADER_TYPE_MANUAL
    page.FinishedLoading 'IMPORTANT
 
    myToastId = myToastId + 1
    page.ShowToast("toast" & myToastId, "toastorange", "ABMaterial " & ABM.Version & " (" & ABM.versionName & ")!", 5000, False)
 
    page.RestoreNavigationBarPosition
 

End Sub