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{*****************************************}
{ }
{ FastReport v2.3 }
{ Progress dialog }
{ }
{ Copyright (c) 1998-99 by Tzyganenko A. }
{ }
{*****************************************}
unit LR_progr;
interface
{$I LR_Vers.inc}
uses
Classes, SysUtils, LResources, LMessages,
Forms, Controls, Graphics, Dialogs,
Buttons, StdCtrls,LCLIntf,
LCLProc,
LR_Const, LR_Class, ExtCtrls;
const
CM_BeforeModal = WM_USER + 1;
type
{ TfrProgressForm }
TfrProgressForm = class(TForm)
Button1: TButton;
Label1: TLabel;
Timer1: TTimer;
procedure Button1Click(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure Timer1Timer(Sender: TObject);
private
{ Private declarations }
fDoc: TfrReport;
fOnBeforeModal: TNotifyEvent;
procedure DoBeforeModal({%H-}Data: ptrint);
public
{ Public declarations }
FirstCaption: String;
function Show_Modal(Doc: TfrReport): Word;
procedure ModalDone(AModalResult: TModalResult);
property OnBeforeModal: TNotifyEvent read FOnBeforeModal write FOnBeforeModal;
end;
var
frProgressForm: TfrProgressForm;
implementation
{$R *.lfm}
function TfrProgressForm.Show_Modal(Doc: TfrReport): Word;
begin
FDoc := Doc;
Application.QueueAsyncCall(@DoBeforeModal, 0);
//PostMessage(Handle, CM_BeforeModal, 0, 0);
Visible:=False;
Enabled:=True;
ModalResult:=mrNone;
InitializeWnd;
Result:=ShowModal;
end;
procedure TfrProgressForm.ModalDone(AModalResult: TModalResult);
begin
ModalResult := AModalResult;
Timer1.Enabled:=true;
end;
procedure TfrProgressForm.Button1Click(Sender: TObject);
begin
fDoc.Terminated := True;
ModalResult := mrCancel;
end;
procedure TfrProgressForm.DoBeforeModal(Data: Ptrint);
begin
if Assigned(fOnBeforeModal) then
fOnBeforeModal(Self);
end;
procedure TfrProgressForm.FormCreate(Sender: TObject);
begin
Button1.Caption:=sCancel;
end;
procedure TfrProgressForm.Timer1Timer(Sender: TObject);
begin
Timer1.Enabled:=false;
end;
end.
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