Разные вопросы

Code:

type

  TMoveSG = class(TCustomGrid); // reveals protected MoveRow procedure

{...}

procedure SortGridByCols(Grid: TStringGrid; ColOrder: array of Integer);

var

  i, j:   Integer;

  Sorted: Boolean;

function Sort(Row1, Row2: Integer): Integer;

var

  C: Integer;

begin

  C      := 0;

  Result := AnsiCompareStr(Grid.Cols[ColOrder[C]][Row1], Grid.Cols[ColOrder[C]][Row2]);

  if Result = 0 then

  begin

    Inc(C);

    while (C <= High(ColOrder)) and (Result = 0) do

    begin

      Result := AnsiCompareStr(Grid.Cols[ColOrder[C]][Row1],

        Grid.Cols[ColOrder[C]][Row2]);

      Inc(C);

    end;

  end;

end;

begin

  if SizeOf(ColOrder) div SizeOf(i) <> Grid.ColCount then Exit;

  for i := 0 to High(ColOrder) do

    if (ColOrder[i] < 0) or (ColOrder[i] >= Grid.ColCount) then Exit;

  j := 0;

  Sorted := False;

  repeat

    Inc(j);

    with Grid do

      for i := 0 to RowCount - 2 do

        if Sort(i, i + 1) > 0 then

        begin

          TMoveSG(Grid).MoveRow(i + 1, i);

          Sorted := False;

        end;

  until Sorted or (j = 1000);

  Grid.Repaint;

end;

procedure TForm1.Button1Click(Sender: TObject);

begin

  { Sort rows based on the contents of two or more columns.

   Sorts first by column 1. If there are duplicate values

   in column 1, the next sort column is column 2 and so on...}

  SortGridByCols(StringGrid1, [1, 2, 0, 3, 4]);

end;