How we can loop the screen table.

Hi All,
We are used loop the screen table but it is a structure how we are able to do this what sap doing behind this can any body please tell me.
Thanks,
Saleem.

Hi
SCREEN is a structure only.
But when you create a screen or selection-screen; the program which controls your screen or selection-screen creates an internal table with header line of type SCREEN.
So in your program SCREEN is an internal table, you can always loop it.
To understand it better, write some parameters and select-options in a report program; in debugging mode see the details of SCREEN table.
Regards
Surya.

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