Number of displayed lines in a table

Hello colleagues,
We are using a table with a master column (tree). Additional we are using an input field where a user can enter a number so that the displayed lines can be change at runtime.
I would like to know the displayed number of lines as it is displayed in the button line of the table in the view (where a user can jump direct to a line) - but I do not know how I get it.
How do I get the content of the max number of available lines in the button of the displayed table?

Hey Maheswaran.B,
  thanks for the reply - the problem is not solved with the suggestion (because I do not get the maximum number of line displayed).
I did the following:
On the very first time if "modifyView" will be executed I do a loop over the table. If the maximum number is reached within the loop I set this number - if not I set the number of loops.
Here is a code example:
   DO 10 TIMES.
      ADD 1 TO l_counter.
      CLEAR elem_tabletree.
      elem_tabletree = node_tabletree->get_element( index = l_counter ).
      IF elem_tabletree IS  INITIAL.
        SUBTRACT 1 FROM l_counter.
*--- set the value to the bound variable
        name =  `NUMBER_OF_LINES`
        value = item_number_of_lines ).

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