[Updated] How to create copies of internal table?

Question

Dis is the detailed description of a problem i have and i
tried all i can to solve it without satisfied results.
I want to copy an internal table of a type defined in the
ABAP program itself, not dictionary. I have a function
that is supposed to accept the internal table as a
parameter of type 'any table'. The function should create
the new internal table using the field catalog of the
passed 'any table' and then create a new internal table
using "create_dynamic_table" and return the DATA pointer.
If anyone knows how it is done pls help me out.
I would like to get the field catalog of the following
internal table automatically by using some sap function..
TYPES:
BEGIN OF MYTYPE,
  NAME TYPE SOMEZTABLE-NAME,
  AGE TYPE SOMEZTABLE-AGE,
END OF MYTYPE.
DATA:
IT_TABLE TYPE TABLE OF MYTABLE INITIAL SIZE 0.
DATA:
COPY_OF_IT_TABLE TYPE REF TO DATA.
SELECT NAME AGE INTO TABLE IT_TABLE FROM S0MEZTABLE.
PERFORM CREATECOPY USING IT_TABLE CHANGING COPY_OF_IT_TABLE.
<b><i>[I have used FORM 4 understanding purpose only. I
actually want to put the code in the form in a seperate
global class method. So, its not possible to define
field symbols in the main pgm and assign value to it
from within the FORM. Also we cant CREATE DATA of the
type 'mytype' within the FORM.]</i></b>
FORM CREATECOPY
  USING
    IT_TABLE <b>TYPE ANY TABLE</b>
  CHANGING
    COPY_OF_IT_TABLE TYPE REF TO DATA.
<i><b>[ Here i would like to create a copy the passed
internal table and return a reference to it. I donot want
to refer to the same table passed. I guess the use of
function CREATE_DYNAMIC_TABLE in the CL_ALV_TABLE_CREATE
clss is required. ]</b></i>
ENDFORM.

Answer 1

Ravikumar,
All the example code i have got wil not work when i put the code in a method of a class..
The problem is not as simple as it sounds...
Pls try if u can and u will understand the basic problem..
If u can pls giv me ur email id as i can mail u the detailed description of the problem..