Pritpal:
I do not know where to experiment:
"qMsgBox := QMessageBox():new( qMainWindow )"
In demoqt.prg after main()
MsgInfo( "Testing" )
Using in demoqt.prg
[...]
HB_TRACE( HB_TR_ALWAYS, ( "-----------------b-----------------" ) )
//DAVID:
MsgInfo( "Testing" )
FOR i := 1 TO 1
oWnd := QMainWindow():new()
[...]
running demoqt.exe it show message window and crash after pressing OK
button with output:
-----------------------------------
demoqt.prg:127:MAIN(): HB_TR_ALWAYS
demoqt.prg:128:MAIN(): HB_TR_ALWAYS -----------------b-----------------
Exception c0000005 at address 0x1de369ca
Exception Code:C0000005
Exception Address:1DE369CA
EAX:00000001 EBX:02905FCC ECX:02905FD4 EDX:00000001
ESI:00000000 EDI:00000000 EBP:002FFB68
CS:EIP:005B:1DE369CA SS:ESP:0053:002FFB50
DS:0053 ES:0053 FS:150B GS:0000
Flags:00010246
Called from MSGINFO(604) in demoqt.prg
Called from MAIN(131) in demoqt.prg
Killed by SIGSEGV
pid=0x005f ppid=0x0041 tid=0x0001 slot=0x00ae pri=0x0200 mc=0x0001
E:\HARBOUR103\HARBOUR\CONTRIB\HBQT\TESTS\DEMOQT.EXE
LIBC063 0:000669ca
cs:eip=005b:1de369ca ss:esp=0053:002ffb50 ebp=002ffb68
ds=0053 es=0053 fs=150b gs=0000 efl=00010246
eax=00000001 ebx=02905fcc ecx=02905fd4 edx=00000001 edi=00000000
esi=00000000
Process dumping was disabled, use DUMPPROC / PROCDUMP to enable it.
-----------------------------------
Current code is:
[596] STATIC FUNCTION MsgInfo( cMsg )
LOCAL oMB
oMB := QMessageBox():new()
oMB:setInformativeText( cMsg )
oMB:setWindowTitle( "Harbour-QT" )
oMB:exec()
[604] oMB := NIL
HB_GCALL( .T.)
[607] RETURN nil
so line 604 is:
oMB := NIL
Using:
//DAVID: oMB := NIL
crash again after OK button but now in line 607 which is:
RETURN nil
with output:
-------------------------
demoqt.prg:127:MAIN(): HB_TR_ALWAYS
demoqt.prg:128:MAIN(): HB_TR_ALWAYS -----------------b-----------------
Exception c0000005 at address 0x1de369ca
Exception Code:C0000005
Exception Address:1DE369CA
EAX:00000001 EBX:02905FCC ECX:02905FD4 EDX:00000001
ESI:00000000 EDI:00000000 EBP:002FFC88
CS:EIP:005B:1DE369CA SS:ESP:0053:002FFC70
DS:0053 ES:0053 FS:150B GS:0000
Flags:00010246
Called from MSGINFO(607) in demoqt.prg
Called from MAIN(131) in demoqt.prg
Killed by SIGSEGV
pid=0x007c ppid=0x0041 tid=0x0001 slot=0x00ae pri=0x0200 mc=0x0001
E:\HARBOUR103\HARBOUR\CONTRIB\HBQT\TESTS\DEMOQT.EXE
LIBC063 0:000669ca
cs:eip=005b:1de369ca ss:esp=0053:002ffc70 ebp=002ffc88
ds=0053 es=0053 fs=150b gs=0000 efl=00010246
eax=00000001 ebx=02905fcc ecx=02905fd4 edx=00000001 edi=00000000
esi=00000000
Process dumping was disabled, use DUMPPROC / PROCDUMP to enable it.
-------------------------
so in this test both crashes are within MsgInfo() function trying to
clean/discard oMB object
Did you checked "OS/2: Harbour 14019" message ?
David Macias
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