--------------------------------------------------------------------
[BUG/PRB.] VFP 9.0 FIX - OPEN FILE OR SAVE FILE DIALOG BOX
January 2024
--------------------------------------------------------------------
CCB
1. BUG:
In vfp9 (and vfp8), when we use the Open File or Save File Dialog Box,
it only displays the title bar on Windows 10 Insider Preview Version 1903 Build 18290.
The bug only occurs in vfp8 and vfp9, it does not occur in vfp6 and vfp7.
The bug was reported by George Popescu.
Please refer to the picture openfile9.png:
2. CAUSE:
There are some BUGs in the following code.
3. RESOLUTION:
We can write some code to fix the BUG.
Label81a2b5 ::
push dword ptr [ ebp + 080h ] ;0x0081a2b5 : ffb580000000
call esi ;0x0081a2bb : ffd6
push eax ;0x0081a2bd : 50
call edi ;0x0081a2be : ffd7
mov eax , dword ptr [ ebp + 120 ] ;0x0081a2c0 : 8b4578
sub eax , dword ptr [ ebp + 100 ] ;0x0081a2c3 : 2b4564
mov ecx , dword ptr [ ebp + 108 ] ;0x0081a2c6 : 8b4d6c
add eax , dword ptr [ ebp + 124 ] ;0x0081a2c9 : 03457c
sub ecx , dword ptr [ ebp + 96 ] ;0x0081a2cc : 2b4d60
pushd 015h ;0x0081a2cf : 6a15
xor edx , edx ;0x0081a2d1 : 33d2
push edx ;0x0081a2d3 : 52
push edx ;0x0081a2d4 : 52
push eax ;0x0081a2d5 : 50
push ecx ;0x0081a2d6 : 51
push edx ;0x0081a2d7 : 52
pushd 04h ;0x0081a2d8 : 6a04
push dword ptr [ ebp + 0198h ] ;0x0081a2da : ffb598010000
call esi ;0x0081a2e0 : ffd6
push eax ;0x0081a2e2 : 50
call ebx ;0x0081a2e3 : ffd3
lea eax , dword ptr [ ebp + 108 ] ;0x0081a2e5 : 8d456c
push eax ;0x0081a2e8 : 50
push dword ptr [ ebp + 080h ] ;0x0081a2e9 : ffb580000000
call edi ;0x0081a2ef : ffd7
;
; ---------------------------------------------------------
; VFP 9.0 FIX - OPEN FILE OR SAVE FILE DIALOG BOX
; March 2019
; ---------------------------------------------------------
; CCB
;
; The Open File or Save File Dialog Box only displays the title bar on Windows 10 Insider Preview Version 1903 Build 18290.
;
; 2019/3/10, by ccb
;
pushd 02h
push dword ptr [ ebp + 0198h ]
call esi
test eax , eax
je Label81a302
push eax
call IsWindow
test eax , eax
je Label81a302
lea eax , dword ptr [ ebp + 76 ] ;0x0081a2f1 : 8d454c
push eax ;0x0081a2f4 : 50
pushd 02h ;0x0081a2f5 : 6a02
push dword ptr [ ebp + 0198h ] ;0x0081a2f7 : ffb598010000
call esi ;0x0081a2fd : ffd6
push eax ;0x0081a2ff : 50
call edi ;0x0081a300 : ffd7
Label81a302 ::
mov eax , dword ptr [ ebp + 88 ] ;0x0081a302 : 8b4558
sub eax , dword ptr [ ebp + 112 ] ;0x0081a305 : 2b4570
pushd 016h ;0x0081a308 : 6a16
add eax , 041h ;0x0081a30a : 83c041
push eax ;0x0081a30d : 50
mov eax , dword ptr [ ebp + 116 ] ;0x0081a30e : 8b4574
sub eax , dword ptr [ ebp + 108 ] ;0x0081a311 : 2b456c
push eax ;0x0081a314 : 50
xor eax , eax ;0x0081a315 : 33c0
push eax ;0x0081a317 : 50
push eax ;0x0081a318 : 50
push eax ;0x0081a319 : 50
push dword ptr [ ebp + 080h ] ;0x0081a31a : ffb580000000
call ebx ;0x0081a320 : ffd3
Now in VFP Advanced, the Open File or Save File Dialog Box displays well on Windows 10 Insider Preview Version 1903 Build 18290.
Please refer to the picture openfile.png:
4. APPLIES TO:
VFP 8.0.0.2521
VFP 8.0.0.3117 (SP1)
VFP 9.0.0.2412
VFP 9.0.0.3504 (SP1)
VFP 9.0.0.4611 (SP2)
VFP 9.0.0.5015 (SP2)
VFP 9.0.0.5411 (SP2)
VFP 9.0.0.5721 (SP2)
VFP 9.0.0.5815 (SP2)
VFP 9.0.0.6303 (SP2)
VFP 9.0.0.6602 (SP2)
VFP 9.0.0.7423 (SP2)
The bug has been fixed in VFP Advanced.
IMPORTANT NOTE FOR WINDOWS 10:
The bug only occurs on Windows 10 Insider Preview Version 1903 Build 18290 (November 28, 2018),
it does not occur on Windows 10 Version 1903 Build 18362 (April 4, 2019) or later,
so recommend to upgrade to Windows 10 Version 1903 Build 18362 (April 4, 2019) or later.
5. REFERENCE WEBSITES:
1, baiyujia.com:
http://www.baiyujia.com
2, profox.ro:
http://www.profox.ro/Forum/tabid/55/forumid/3/threadid/49582/scope/posts/Default.aspx
6. OTHER:
For reference only, there is no guarantees.
Any questions or suggestions, please send me an email at ccb2000@163.com.
|