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WinDev Forum
Beiträge im Thema:
Erster Beitrag:
vor 11 Monaten
Letzter Beitrag:
vor 10 Monaten, 3 Wochen
Beteiligte Autoren:
André Labuschagné, Vinit Sawant, Fabrice Harari, DW, heinz kuebler, ccc2, Erik Schwarz

Windev 12 upgradation

Startbeitrag von Vinit Sawant am 21.07.2017 11:05

We are going to upgrade Windev 12 to Windev 16. We have applications developed in windev 12. So will these applications run without any conflicts in WINDEV 16?


Hi Vinit,

it's been a Long time ago, so I don't remember which issues may appear.

But it is easy to test:

Make a copy of the Project and compile with V16 and test.
If not satisfactory -> stay with V12 in the original place.



von Erik Schwarz - am 21.07.2017 11:10

without ANY conflicts? Probably not...

each compiler is stricter than the previous one, so jumping from 12 to 16 is pretty much sure to give you a number of compiling errors.

The good news is: the errors were already there in 12, the compiler was just not able to detect them, and you had execution time problems instead.

Best regards

von Fabrice Harari - am 21.07.2017 11:30
Thank you for response Erik and Fabrice :)

I have one more query.

Is windows 10 is compatible OS for exe created with windev. Because we have exe which is working fine in windows 8 but not getting install in windows 10.
Do you know anything about this issue?

von Vinit Sawant - am 21.07.2017 14:05
Hi Vinit,

Depend on the complexity of your program and whether you using HF or external DB .

I have a program written in wd12 using mysql database , until now I can't upgrade due to alot critical function no longer work.

if you write your own sql code in query editor , you may find which work in wd12 , but now error

if it's not very big program. I suggest just rewrite it .

von ccc2 - am 21.07.2017 16:45

yes windev is compatible with windows 10.
However, windev 12 is VERY old, and 16 is already quite old too, so you may have some problem.

Also, PCSoft has provided patches to fix a printing problem occuring with windows 10 creators update, up to version 14.

Best regards

von Fabrice Harari - am 22.07.2017 10:36

WX12 and 16 are very old indeed. No matter what the compiler I would always urge using the latest version, in this case WX21 while they are ironing out the issues in WX22.

It is never a good idea to run old binaries as you have no idea what is not going to work and there is de facto no support for them. It is just the way software development rolls.


von André Labuschagné - am 23.07.2017 11:53
while all the above general statements are correct, i have to tell a positive experience: my application made and maintained in WINDEV 10 / HF classique is running without OS problems under XP, Windows 7, 8, and 10. I maintain now under Windows 10 (32 bit) and deploy for XP (because some customers still run on XP)

regards, Heinz

von heinz kuebler - am 27.07.2017 09:50
One thing I have found is opening and compiling in each version before getting to your destination version helps a great deal in reducing errors. For example, if you want to go from 19 to 21 first open the apps in 20, compile and save and open the app in 20 with 21. For me that eliminates lots of funnies.


von André Labuschagné - am 27.07.2017 10:14

I had just the opposite I tried to upgrade a Windev v19 app to v20 and it was a nightmare. But when I took it from v19 to v22 only had minor repairs to make.


von DW - am 28.07.2017 14:51

Very interesting and noted.

My experience is as I described and I can even predict now where some of the issues are likely to arise in WD, WB and WM. So for me the pattern is clear now and will stick to that until it does not work for me. I have been doing this since V16. I do try and skip first, confirm the issues and then take the route I described.


von André Labuschagné - am 29.07.2017 11:00

I do not blame you, I would stick to what works. I think I got lucky and I will take that when ever I can. I have been upgrading my app every version since 10 stopped on version 19 because what I had was very stable. (Still paid for upgrades of Windev). Every year after that when the next version dropped I would try to upgrade to the next version but with not so good results. I skipped 20 and 21 but 22 work. Again I fell I got lucky.


von DW - am 29.07.2017 13:47
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