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Hi!
I just want to create an application that logs the working hours of the employees.
Logging "in" and "out" should work with RFID-Cards presented to an RFID-Card reader.
So, besides that full...

Thanks, DataMiser!

It seems that I didn't understand, how specific my question is. So I didn't wrote about the ciurcumstances.

The ZVT stands for a protocol used in Germany (and similar in all...

Hi!
I got to program a simple cashier-system. It shall be able to control a Credit-Card reader.
the card reader can be controlled using a "ZVT"-Connecor. On the side of my program I got to program...

Hi!
I already have a small application which does the communication between different PCs within the local network.
Now I want to program a -lets call it- 'sensor'. The main job for the sensor is...

Kind of solved now: It seems that my applications is working fine, after I copied all of my written code and the dialogs incl. their buttons and other elements into an new project.
I guess, that vs...

Hi!

My small application runs fine on my development-PC, but not on any other machine. It crashes immediately and even before the first line of my code is beeing executed.

my...