Hey, I am trying to understand how do a layout in wxHaskell. I am trying to make a frame with 2 text entries. One single lined at the top and one multiline below it. Both should expand with the window size horizontal. When the window is expanded vertical, only the multiline text entry should expand. Her is what I wrote: main = start mainFrame mainFrame = do f <- frame [text := "BiVision"] buffer <- textEntry f [] mainArea <- textCtrl f [] set f [layout := expand $ column 2 [hstretch $ widget buffer, stretch $ widget mainArea]] This gives me a window with the desired controls. But they are not expanding. Why? I tried different combinations of expand and stretch (I do not really understand the difference?). But nothing works. I am guessing there is something simple I do not yet understand :). Thanks for any help! Nathan