Help Window in a modulepool screen

Hello Folks,
I have created a button(named it as HELP) in the modulepool screen. I have a requirement where when i click on the button it should display the help information in the same screen.
For example: whenever we click F1 on any standard field it will display the help information in a same screen with new window.
Please assist me in fixing this.

Hi
trap the Fcode and write the code inside
this is some demo programs which will help u.
Hi Sri,
Check these demo programs:
DEMO_DYNPRO_F1_HELP
DEMO_SELECTION_SCREEN_F1
Regards,
Amresh.

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