Grid problem after dialog background setting.

[BK]

Hello.
A strange phenomenon occurs.
if click on the tab in the Test 1 Test 2.
mouse dialog size changes in Dialog.
pictures of the problem.
How can I fix this?

the attachment.
   

Function test3

Code:

Copy      Help

\Dialog_Editor
function# hDlg message wParam lParam
DlgGrid g.Init(hDlg 5)
if(hDlg) goto messages

str dd =
;BEGIN DIALOG
;0 "" 0x90CF0AC8 0x0 0 0 420 284 "test3"
;5 QM_Grid 0x56031041 0x0 4 16 404 256 "0[]A[]B[]C[]D[]E[]F[]G"
;3 SysTabControl32 0x54030040 0x0 0 0 98 12 ""
;END DIALOG
;DIALOG EDITOR: "" 0x2040108 "*" "0" "" ""

int x(851) y(199)
str controls = "5"
str qmg5
if(!ShowDialog("test3" &test3 &controls 0 0 0 0 x y)) ret
ret
;messages
__MemBmp-- t_mb
__GdiHandle-- t_hb
RECT r
;dialog size option
DT_AutoSizeControls hDlg message "5s 15m 16m 17m 18ms 25m 26mv"

sel message
,case WM_INITDIALOG

,;;SetBackground
,,;__GdiHandle- t_brush=CreateSolidBrush(0xF6F6F6)
,,;DT_SetBackgroundColor hDlg 0 0xF6F6F6
,,;DT_SetBackgroundImage
,,t_hb=LoadPictureFile("$Desktop$\11.png")
,,SendMessage hDlg WM_SIZE 0 0


,;SetDialogFont
,,__Font-- BTN_f TAB_f
,,BTN_f.Create("굴림" 8 0 0 0)
,,BTN_f.SetDialogFont(hDlg "3")

,,TAB_f.Create("굴림" 9 0 0 0)
,,TAB_f.SetDialogFont(hDlg "5")

,;SetTAB
,,int htb=id(3 hDlg)
,,TabControlAddTabs htb "test1[]test2[]test3"
,,goto g11

,case WM_SIZE
,GetClientRect hDlg &r
,t_mb.Attach(CopyImage(t_hb 0 r.right r.bottom 0)) ;;copy/stretch t_hb and attach to t_mb
,InvalidateRect hDlg 0 1
,
,case WM_ERASEBKGND
,GetClientRect hDlg &r
,BitBlt wParam 0 0 r.right r.bottom t_mb.dc 0 0 SRCCOPY
,ret DT_Ret(hDlg 1)

,case WM_DESTROY
,case WM_COMMAND goto messages2
,case WM_CTLCOLORSTATIC
,case WM_NOTIFY goto messages3

ret
;messages2
sel wParam
,case IDOK
,case IDCANCEL

ret 1
;messages3
NMHDR* nh=+lParam
sel nh.idFrom
,case 5
,GRID.QM_NMLVDATA* cd=+nh
,,NMLVDISPINFO* di=+nh
,,NMLISTVIEW* nlv=+nh
sel nh.code
,case TCN_SELCHANGE
,_i=SendMessage(nh.hwndFrom TCM_GETCURSEL 0 0)
,;out "Tab selected: %i" _i

,;g11
,out "Tab selected: %i" _i
,DT_Page hDlg _i



,case NM_CLICK ;;when user clicks a row and it does not begin cell edit mode
,,NMITEMACTIVATE* na=+nh
,,;out "row click: %i %i" na.iItem na.iSubItem
,case LVN_BEGINLABELEDIT
,,;out "begin edit: item=%i subitem=%i text=%s" di.item.iItem di.item.iSubItem di.item.pszText
,case GRID.LVN_QG_BUTTONCLICK:
,,;out "button2: item=%i subitem=%i text=%s" cd.item cd.subitem cd.txt
,case LVN_COLUMNCLICK ;;click header
,,g.Sort(4|0x10000 nlv.iSubItem)

[Gintaras]

To fix it, invalidate the header control: under InvalidateRect(hDlg...) add

Code:

Copy      Help

,InvalidateRect child("" "SysHeader32" id(5 hDlg)) 0 0

[BK]

Thank you for your help.
other problem first run -> tab1 at tab 2 button enable.