Normal screen and context menu

hi guys

i want to ask how to create context menu in normal screen. as i konw, the pf status has 'Normal screen' and 'context menu', if i want to set pf-status with 'BACK' OF 'Normal screen' TO LEAVE PROGRAM and 'PICK' OF 'Context menu' to list some information by RIGHT-CLICK, and i know it must be a FORM PACK with context menu how to do it?