ufrmshutdown.pas

实现定时关机功能的delphi源码,适合初学者

unit UFrmShutDown;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, cxControls, cxContainer, cxEdit, cxGroupBox, ExtCtrls,
  cxLookAndFeelPainters, StdCtrls, cxButtons, cxTextEdit, cxMaskEdit,
  cxSpinEdit, cxTimeEdit;

type
  TFrmShutDown = class(TForm)
    Panel1: TPanel;
    cxGroupBox1: TcxGroupBox;
    cxButton1: TcxButton;
    cxButton2: TcxButton;
    edtTime: TcxTimeEdit;
    Label1: TLabel;
    procedure cxButton2Click(Sender: TObject);
    procedure cxButton1Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  FrmShutDown: TFrmShutDown;

implementation

{$R *.dfm}

procedure TFrmShutDown.cxButton2Click(Sender: TObject);
begin
  Close;
end;

procedure TFrmShutDown.cxButton1Click(Sender: TObject);
var
  s : string;
  vList: TStringList;
begin
  vList := TStringList.Create;
  try
    if FileExists(ExtractFilePath(Application.ExeName) + '\Shutdown.bat') then
    begin
      DeleteFile(ExtractFilePath(Application.ExeName) + '\Shutdown.bat');
      s := 'at ' + edtTime.Text + ' shutdown -s';
      vList.Clear;
      vList.Add(s);
      vList.SaveToFile(ExtractFilePath(Application.ExeName) + '\Shutdown.bat');
      WinExec(PChar(ExtractFilePath(Application.ExeName) + '\Shutdown.bat'), SW_HIDE);
    end
    else
    begin
//      FileCreate(ExtractFilePath(Application.ExeName) + '\Shutdown.bat');
      s := 'at ' + edtTime.Text + ' shutdown -s';
      vList.Clear;
      vList.Add(s);
      vList.SaveToFile(ExtractFilePath(Application.ExeName) + '\Shutdown.bat');
      WinExec(PChar(ExtractFilePath(Application.ExeName) + '\Shutdown.bat'), SW_HIDE);
    end;
  finally
    vList.Free;
  end;
  Close;
end;

procedure TFrmShutDown.FormCreate(Sender: TObject);
begin
  edtTime.Time := Now;
end;

procedure TFrmShutDown.FormClose(Sender: TObject;
  var Action: TCloseAction);
begin
  Action := caFree;
end;

end.