?? oilitemform.pas
字號:
unit OilItemForm;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, ComCtrls, ExtCtrls;
type
TfrmOilItem = class(TForm)
pnlBottom: TPanel;
btnOK: TButton;
btnCancel: TButton;
pnlClient: TPanel;
Label1: TLabel;
Label3: TLabel;
dtDate: TDateTimePicker;
ecMileage: TEdit;
procedure btnOKClick(Sender: TObject);
private
{ Private declarations }
FDate: TDateTime;
FMileage: Double;
public
{ Public declarations }
property Date: TDateTime read FDate;
property Mileage: Double read FMileage;
end;
var
frmOilItem: TfrmOilItem;
implementation
{$R *.DFM}
procedure TfrmOilItem.btnOKClick(Sender: TObject);
begin
FDate := dtDate.Date;
try
FMileage := StrToFloat(ecMileage.Text);
except
ModalResult := mrNone;
ActiveControl := ecMileage;
ShowMessage('Mileage is not a valid number.');
exit;
end;
end;
end.
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