Write in an exec BACK window already open system

I'm working on a project where I'm controlling a generator LabSat 2 GPS. The Unit came with an already compiled program c# who gets run from the command line. I use the vi system exec to run the command and then begins transmitting it LabSat 2. Other devices are also launched and the test runs.

The problem I have is that if the user wants to abort the test at any time, I need to stop the transmission of the LabSat2. The way to do is to send a Ctrl + C to the BACK window that is already open. In my sample program to test this, I start 2 LabSat, wait 5 seconds, and then try to stop him. When I write a new system exec cmd /c vi, it opens a new DOS window and closes then.

Is it possible to write the command CTRL + C in a window that is already open, one that was ealrier open in the program and is still running?

Any help would be greatly appreciated. I enclose my vi to explain what better what I'm doing. This vi is only for the work of the idea, and then I'll add it to the rest of my project.

Kind regards

Greg

By the way the command Ctrl + C to an already open c# executable back is possible using the APIs WIN. You need get the Handle to the window, then use attach console of kernel32.dll. Once you do this, you have to explore the keyboard input functions from the MSDN site, in which you get the command send key combination you are looking for.

Nodes to call a library function allows you to call in the WINAPI dll.

Tags: NI Software

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