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Can anyone help?

I have a green screen app that displays, in graphical form, the daily load capacity of a work center.
Currently, if I place the cursor in the bar graph area on the screen and press enter, I get a detail report of the jobs, displayed immediately on the screen, (Spool File report)
The program knows the cursor position; Each bar is a different day and gives me the appropriate data for that day.

Xxx xxx
Xxx xxx xxx xxx
Xxx xxx xxx xxx
Xxx xxx xxx xxx xxx xxx

I have touch screen on the shop floor.

I would like this same function but just touch the bar graph on the screen, currently I touch but have to press enter.

How can I program the touch screen display to react to the touch?
I do not want to use a mouse or keyboard.

Thanks ahead of time.

DSPATR(SP) for light pen did not work or I was missing something else.

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