downto

     The DownTo keyword prefixes the target value Expression in a For loop. The DownTo expression maybe an Integer, Character or Enumeration type.

     For more details, see the keyword for. The example illustrate the three expression types.

Example

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var
  i : Integer;
  c : char;
  suit : (Hearts, Clubs, Diamonds, Spades);

begin
  // Loop 5 times
  for i := (10 div 2) DownTo 1 do Writeln('i = ',i);

  // Loop 5 times
  for c := 'E' DownTo 'A' do Writeln('c = ',c);

  // Loop 3 times
  for suit := Diamonds DownTo Hearts do
    Writeln('Suit = ',Ord(suit));
end.

Output

i = 5
i = 4
i = 3
i = 2
i = 1
c = E
c = D
c = C
c = B
c = A
Suit = 2
Suit = 1
Suit = 0

See Also

Begin, End, For, To.

Gary Funk
BoardWatch Magazine