taxset.~pas

完成酒店管理系统

unit TaxSet;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

type
  TTaxSetFrm = class(TForm)
    Label1: TLabel;
    Edit1: TEdit;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    procedure Button3Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure FormShow(Sender: TObject);
  private
    { Private declarations }
  public
  Public

    { Public declarations }
  end;
  var
  MakeTax: Double;
var
  TaxSetFrm: TTaxSetFrm;

implementation

uses MainSail;

{$R *.dfm}

procedure TTaxSetFrm.Button3Click(Sender: TObject);
begin
Close;
MainsailFrm.Show;
end;

procedure TTaxSetFrm.Button2Click(Sender: TObject);
begin
Edit1.Text:= '';
Edit1.SetFocus;
end;

procedure TTaxSetFrm.Button1Click(Sender: TObject);
begin
if Edit1.Text <> '' then
MakeTax := StrToFloat(Edit1.Text)
else
MakeTax:= 0.03;
end;

procedure TTaxSetFrm.FormShow(Sender: TObject);
begin
MakeTax:= 0.03;
end;

end.