www.pudn.com > webfly_FreeReport_v2.34.zip > UNIT1.PAS, change:2005-06-03,size:2229b

unit Unit1; 
 
interface 
 
uses 
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, 
  StdCtrls, Db, DBTables, FR_DSet, FR_DBSet, FR_Class; 
 
type 
  TForm1 = class(TForm) 
    frReport1: TfrReport; 
    frDBDataSet1: TfrDBDataSet; 
    frUserDataset1: TfrUserDataset; 
    Table1: TTable; 
    DataSource1: TDataSource; 
    Button1: TButton; 
    frUserDataset2: TfrUserDataset; 
    Table1CustNo: TFloatField; 
    Table1Company: TStringField; 
    Table1Addr1: TStringField; 
    Table1Addr2: TStringField; 
    Table1City: TStringField; 
    Table1State: TStringField; 
    Table1Zip: TStringField; 
    Table1Country: TStringField; 
    Table1Phone: TStringField; 
    Table1FAX: TStringField; 
    Table1TaxRate: TFloatField; 
    Table1Contact: TStringField; 
    Table1LastInvoiceDate: TDateTimeField; 
    procedure Button1Click(Sender: TObject); 
    procedure frReport1GetValue(const ParName: String; var ParValue: Variant); 
    procedure frReport1EnterRect(Memo: TStringList; View: TfrView); 
    procedure frReport1PrintColumn(ColNo: Integer; var Width: Integer); 
  private 
    { Private declarations } 
    FWidth: Integer; 
  public 
    { Public declarations } 
  end; 
 
var 
  Form1: TForm1; 
 
implementation 
 
{$R *.DFM} 
 
procedure TForm1.Button1Click(Sender: TObject); 
begin 
  frUserDataset1.RangeEndCount := Table1.FieldCount; 
  frUserDataset2.RangeEndCount := Table1.FieldCount; 
  frReport1.ShowReport; 
end; 
 
procedure TForm1.frReport1GetValue(const ParName: String; var ParValue: Variant); 
begin 
  if ParName = 'Cell' then 
    ParValue := Table1.Fields[frUserDataset1.RecNo].Value; 
  if ParName = 'Header' then 
    ParValue := Table1.Fields[frUserDataset2.RecNo].FieldName; 
end; 
 
procedure TForm1.frReport1EnterRect(Memo: TStringList; View: TfrView); 
begin 
  View.dx := FWidth; 
end; 
 
procedure TForm1.frReport1PrintColumn(ColNo: Integer; var Width: Integer); 
var 
  Field: TField; 
begin 
  Field := Table1.Fields[ColNo - 1]; 
  if Field is TStringField then 
    Width := Field.Size * Canvas.TextWidth('W') 
  else if Field is TDateTimeField then 
    Width := 15 * Canvas.TextWidth('W') 
  else 
    Width := 64; 
  FWidth := Width; 
end; 
 
end.