List with $WS_CLICPSIBLINGS style problem

[martin]

I want to show a combobox over the top of a listview. So that the combobox will show in front I use the style $WS_CLIPSIBLINGS for the listview.

No problem with that unless I put them both in a group box, and then the list view isn't shown.

Here is an example, if you remove the group box by commenting out the two lines with GuiCtrlCreateGroup then the listview is visible again.

#include <GUIConstants.au3>

#Region ### START Koda GUI section ###
$AForm1 = GUICreate("AForm1", 862, 652, 318, 162)
$Group1 = GUICtrlCreateGroup("group 1", 16, 72, 721, 489)
$ListView1 = GUICtrlCreateListView("            Application Name      |       Column 2 heading", 40, 120, 460, 430,$WS_CLIPSIBLINGS)
GUICtrlSendMsg(-1, 0x101E, 0, 250);set col widths
GUICtrlSendMsg(-1, 0x101E, 1, 200)
GUICtrlSetFont(-1, 12, 400, 0, "MS Sans Serif")
$Combo1 = GUICtrlCreateCombo("Combo1", 334, 177, 200, 25)
GUICtrlCreateGroup("", -99, -99, 1, 1)
GUISetState(@SW_SHOW)
#EndRegion ### END Koda GUI section ###
;DllCall("user32.dll", "int", "InvalidateRect", "hwnd", GUICtrlGetHandle($ListView1), "int", 0, "int", 1);doesn't help

;next line redraws combobox nicely over listview (when listview is shown)
DllCall("user32.dll", "int", "InvalidateRect", "hwnd", GUICtrlGetHandle($Combo1), "int", 0, "int", 1)
GUICtrlSetState($Combo1,$GUI_FOCUS)

While 1
    $nMsg = GUIGetMsg()
    Switch $nMsg
        Case $GUI_EVENT_CLOSE
            Exit

    EndSwitch
WEnd

I'm using 3.2.5.0 but the same happened with the previous version I had installed (3.2.3.14??)

Is this expected behaviour? It looks wrong to me.

EDIT:13th July 2007

I convinced myself that $WS_CLIPSIBLINGS would help when I wanted something over the top of the listview but I'm wrong; it stops any area of the listview being redrawn which is used by another component including the groupbox which 'contains' it. Seems wrong to me but it's not an issue any more.

Edited July 13, 2007 by martin