Печать структуры таблицы Paradox

procedure TForm1.Button1Click(Sender: TObject);
const
 
  FieldTypes: array[0..16] of string[10] = ('Unknown', 'String', 'Smallint',
    'Integer', 'Word', 'Boolean', 'Float', 'Currency', 'BCD', 'Date', 'Time',
    'DateTime', 'Bytes', 'VarBytes', 'Blob', 'Memo', 'Graphic');
var
 
  i, nX, nY, nHeight, nWidth: Integer;
  rtxtMetric: TTextMetric;
  s: array[0..3] of string[10];
begin
 
  with Table1.FieldDefs, Printer do
    begin
      Update;
      PrinterIndex := -1;
      Title := 'Структура ' + Table1.TableName;
      BeginDoc;
      nX := 0;
      nY := 0;
      WinProcs.GetTextMetrics(Canvas.Handle, rtxtMetric);
      nHeight := rtxtMetric.tmHeight;
      nWidth := rtxtMetric.tmAveCharWidth;
      for i := 0 to Count - 1 do
        begin
          s[0] := IntToStr(Items[i].FieldNo) + #9;
          s[1] := Items[i].Name + #9;
          s[2] := FieldTypes[Ord(Items[i].DataType)] + #9;
          s[3] := IntToStr(Items[i].Size);
          Canvas.TextOut(nX, nY, s[0]);
          Inc(nX, Length(s[0]) * nWidth);
          Canvas.TextOut(nX, nY, s[1]);
          Inc(nX, Length(s[1]) * nWidth);
          Canvas.TextOut(nX, nY, s[2]);
          Inc(nX, Length(s[2]) * nWidth);
          Canvas.TextOut(nX, nY, s[3]);
          nX := 0;
          nY := i * nHeight;
        end;
      EndDoc;
    end;
end;

Взято из Советов по Delphi от Валентина Озерова

Сборник Kuliba