IGlass GUI for blitzmax

Like this?

' ==================================================================
' Project Title: IGlass template example
' Author: Agnisola Philippe (Filax)
' Email: blitz3d.fr@...                   
' Version: 1.0.0           
' Date: 10/03/2005             
' Notes:             
'                   
'                   
' ==================================================================

Strict

' --------------------------
' Load IGL gui ! important !
' --------------------------
Include "./IGL_Classe/Inc_IGlass.bmx"

' ------------
' Open graphic
' ------------
Graphics 800,600,32,NOSYNC 

' --------------------------
' Init IGL gui ! important !
' --------------------------
IGL_InitGUI(1)

'IGL_InitBackground("../IGL_Demos/Background_01.jpg")
'IGL_InitBackground("../tg/skyatnightold_800_600.png")

' ---------------
' Build interface
' ---------------
Global MyWindow01:IGL_Window
Global MyWindow02:IGL_Window

MyWindow01=IGL_Window.Create("TG_Window1",50,50,180,150)

Local MyButton0:IGL_PushButton
MyButton0=IGL_PushButton.Create(MyWindow01,"ByeBye",10,10,160)
Local mybutton1:IGL_Pushbutton
' -------------
' The main loop
' -------------
While Not KeyHit(KEY_ESCAPE)
	Cls
	
	' -----------------------------
	' Refresh IGL gui ! important !
	' -----------------------------
	IGL_RefreshGui()

	' --------
	' Gui test
	' --------
    If MyWindow02<>Null MyWindow02.activatewindow()
	If MyButton0.ClickGadget() And mywindow02=Null Then
		MyWindow02=IGL_Window.Create("TG_Window2",150,150,180,150)
        MyButton1=IGL_PushButton.Create(MyWindow02,"Really?",10,10,160)
        MyWindow02.activatewindow()
	EndIf
	If MyButton1<>Null
		If MyButton1.ClickGadget() Then
           Exit
        EndIf
    EndIf	
	' -------------------------------
	' Draw FPS info (use IGL_Fps var)
	' -------------------------------
	SetColor 255,255,255
	DrawText "FPS : "+IGL_Fps,10,10
	
	' ------------------------
	' Swap buffer and flushmem
	' ------------------------
	Flip
	FlushMem()
Wend 

' ---------------------------
' Clear IGL gui ! important !
' ---------------------------
IGL_ClearGui()
End

Still doesn't focus on MyWindow02.
<edit> I'm assuming you have tried this and it works which is very strange. How are you using ActivateWindow different than me? Can you post your code which has this working?

IGlass GUI for blitzmax - V