datetimesel.pas

EasyGasDpr 瓶装液化气 钢瓶 SQL,用户名：SYSTEM 密码：空

unit DATETIMESEL;

interface

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

type
  TTimeSel = class(TForm)
    RepRange: TPanel;
    Label1: TLabel;
    Label2: TLabel;
    DateStart: TDateTimePicker;
    DateEnd: TDateTimePicker;
    BitBtn1: TBitBtn;
    BitBtn2: TBitBtn;
    procedure DateStartChange(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure DateStartKeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
  private
    { Private declarations }
  public
    { Public declarations }
    Start,Ending:TDateTime;
  end;

var
  TimeSel: TTimeSel;

implementation

{$R *.dfm}

procedure TTimeSel.DateStartChange(Sender: TObject);
begin
  Start:=DateStart.DateTime;
  Ending:=DateEnd.dateTime;
end;

procedure TTimeSel.FormCreate(Sender: TObject);
begin
  DateStart.Date:=Now;
  DateEnd.date:=Now;
  DateStartChange(DateStart);
end;

procedure TTimeSel.DateStartKeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if key = vk_return then postmessage(TWincontrol(Sender).Handle,WM_KEYDOWN,VK_TAB,0);
end;

end.