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WinDev Forum
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Joris, Markus K., Andre Fourie

User active window

Startbeitrag von Andre Fourie am 27.05.2017 10:14

Hi Everyone,

Can someone help please - On a C/S application, I have some windows that can be run by only one user at a time. I tried this by recording the user and window in a file and delete it when the user exits the window, but will still have the record there in case the system crashed. So ideally I would like to check at he beginning of the window if another user is busy accessing the window without using a log file. Has anyone done this before? WD21/22. Thanks



you can delete all remaining entries for a specific user when this user logs in again. But you still need a possibility to delete these entries manually.
Create a window with a table to delete this entries. So the locked records can be freed manually.

von Markus K. - am 27.05.2017 11:05

You can use a timer and write every minute the date + time into your record.
If you are using HFSQL client/server then use HInfoServer("MyConnection", hInfoDate) to retrieve the date+time on the server. So you don't have to worry about synchronised times.
If the record is >= 2 minutes old then you know that the user is not in the window anymore.



von Joris - am 29.05.2017 07:02
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