那位大哥能给我delphi自动关机代码
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发布时间：2024-10-10 00:33
共2个回答
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时间：2024-11-14 02:19
interface uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls, Menus,AppEvnts,shellapi;
type
TForm1 = class(TForm)
Timer1: TTimer;
Timer2: TTimer;
ApplicationEvents1: TApplicationEvents;
PopupMenu1: TPopupMenu;
Edit1: TEdit;
Edit2: TEdit;
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Btn_OK: TButton;
Btn_Abort: TButton;
procedure Timer1Timer(Sender: TObject);
procedure TrayMenu(Var Msg:TMessage); message WM_USER;
procedure TimeSetClick(Sender: TObject);
procedure ExitClick(Sender: TObject);
procedure Btn_OKClick(Sender: TObject);
procedure Btn_AbortClick(Sender: TObject);
procedure Timer2Timer(Sender: TObject);
procedure Edit2KeyPress(Sender: TObject; var Key: Char);
procedure WMQueryEndSession (var Msg : TWMQueryEndSession);
message WM_QueryEndSession;
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
private
{ Private declarations }
Tray:NOTIFYICONDATA;
procedure ShowInTray();
public
{ Public declarations }
end; var
Form1: TForm1;
P,Ti1:Pchar;
Flags:Longint;
i:integer;
{关机延迟时间}
TimeDelay:integer;
atom:integer;
implementation
{$R *.dfm} {未到自动关机时间，系统要关闭时，截获关机消息 wm_queryendsession，让用户决定是否关机}
procedure TForm1.WMQueryEndSession (var Msg : TWMQueryEndSession);
begin
if MessageDlg(’真的要关闭Windows吗？’,mtConfirmation,[mbYes,mbNo], 0) = mrNo then
Msg.Result := 0
else
Msg.Result := 1;
end; {判断时间S格式是否是有效} function IsValidTime(s:string):bool;
begin
ifLength(s)<>5 then IsValidTime:=False
else
begin
if(s[1]<’0’)or(s[1]>’2’)or(s[2]<’0’)or
(s[2]>’9’) or (s[3] <> ’:’) or
(s[4]<’0’) or (s[4]>’5’) or
(s[5]<’0’) or (s[5]>’9’)then IsValidTime:=False
else
IsValidTime:=True;
end;
end;
{判断是哪类操作系统，以确定关机方式} function GetOperatingSystem: string;
varosVerInfo: TOSVersionInfo;
begin
Result :=’’;
osVerInfo.dwOSVersionInfoSize := SizeOf(TOSVersionInfo);
if GetVersionEx(osVerInfo) then
case osVerInfo.dwPlatformId of
VER_PLATFORM_WIN32_NT:
begin
Result := ’Windows NT/2000/XP’
end;
VER_PLATFORM_WIN32_WINDOWS:
begin
Result := ’Windows 95/98/98SE/Me’;
end;
end;
end;
{获得计算机名} function GetComputerName: string;
var
buffer: array[0..MAX_COMPUTERNAME_LENGTH + 1] of Char;
Size: Cardinal;
begin
Size := MAX_COMPUTERNAME_LENGTH + 1;
Windows.GetComputerName(@buffer, Size);
Result := strpas(buffer);
end;
{定时关机函数 ，各参数的意义如下： Computer: 计算机名;Msg:显示的提示信息;
Time:时间延迟; Force:是否强制关机;
Reboot: 是否重启动}
function TimedShutDown(Computer: string; Msg: string;
Time: Word; Force: Boolean; Reboot: Boolean): Boolean;
var
rl: Cardinal;
hToken: Cardinal;
tkp: TOKEN_PRIVILEGES;
begin
{获得用户关机特权，仅对Windows NT/2000/XP}
OpenProcessToken(GetCurrentProcess, TOKEN_ADJUST_PRIVILEGES or TOKEN_QUERY, hToken);
if LookupPrivilegeValue(nil, ’SeShutdownPrivilege’, tkp.Privileges[0].Luid) then
begin
tkp.Privileges[0].Attributes := SE_PRIVILEGE_ENABLED;
tkp.PrivilegeCount := 1;
AdjustTokenPrivileges(hToken, False, tkp, 0, nil, rl);
end;
Result := InitiateSystemShutdown(PChar(Computer), PChar(Msg), Time, Force, Reboot)
end; {窗体最小化后，显示在托盘中} procedure tform1.ShowInTray;
Begin
Tray.cbSize:=sizeof(Tray);
Tray.Wnd:=Self.Handle;
Tray.uFlags:=NIF_ICON+NIF_MESSAGE+NIF_TIP;
Tray.uCallbackMessage:=WM_USER;
Tray.hIcon:=application.Icon.Handle ;
Tray.szTip:=’定时关机’;
Shell_NotifyIcon(NIM_ADD,@Tray);
End; {右键单击托盘中的图标，显示快捷菜单} procedure Tform1.TrayMenu(var Msg:TMessage);
var
X,Y:Tpoint;
J,K:Integer;
Begin
GetCursorPos(X);
GetCursorPos(Y);
J:=X.X;
K:=Y.Y;
if Msg.LParam=WM_RBUTTONDOWN then PopupMenu1.Popup(J,K);
End; procedure TForm1.Timer1Timer(Sender: TObject);
begin
Edit1.Text:=FormatDateTime(’hh:mm’, Now);
{两个时间相等，计算机将在TimeDelay秒内强制关机}
if edit1.text=edit2.Text then
Begin
TimeDelay:=30;
timer1.Enabled:=False;
if GetOperatingSystem=’Windows NT/2000/XP’ then
begin
{调用系统的关机提示窗口，只限于Windows NT/2000/XP。}
TimedShutDown(getcomputername, ’系统将要关机！’,
TimeDelay, true, false);
btn_abort.Enabled :=true;
timer2.Enabled :=true;
end;
ifGetOperatingSystem=’Windows 95/98/98SE/Me’ then
begin
timer2.Enabled :=true;
{在顶层显示本程序的窗口，显示时间倒记时}
Application.Restore;
SetWindowPos(Handle,HWND_TOPMOST,Left,Top,Width,Height,
SWP_NOACTIVATE);
end;
end;
end; procedure TForm1.Timer2Timer(Sender: TObject);
begin
btn_abort.Enabled :=true;
label3.Caption :=’离关机时间还有’+inttostr(timedelay)+’秒。’;
if timedelay>0 then timedelay:=timedelay-1
else
begin
timer2.Enabled :=false;
{强制Windows 95/98/98SE/Me关机}
ExitWindowsEx(EWX_SHUTDOWN+EWX_FORCE,0);
end;
end; {通过控件PopupMenu1定义的快捷菜单，包括"设置关机时间"和"退出"。 PopupMenu1的AutoPopup为False，下面是"设置关机时间"的代码}
procedure TForm1.TimeSetClick(Sender: TObject);
begin
{设置本程序窗口位于最顶层}
SetWindowPos(Handle,HWND_TOPMOST,Left,Top,Width,Height,
SWP_NOACTIVATE);
ShowWindow(Application.Handle,SW_NORMAL);
edit2.SetFocus ;
edit2.SelectAll ;
end; {快捷菜单中"退出"的代码} procedure TForm1.ExitClick(Sender: TObject);
begin
{如果已经开始倒记时，禁止退出，而是显示程序窗口}
if Timer2.Enabled=false then
begin
Application.Terminate;
end
elseShowWindow(Application.Handle,SW_NORMAL);
end; {确定按钮} procedure TForm1.Btn_OKClick(Sender: TObject);
begin
btn_abort.Enabled :=false;
label3.Caption :=’提示：关机时间格式 HH:MM’;
if timer1.Enabled =false then timer1.Enabled :=true;
{关机时间设置有效，程序将显示在托盘中，无效则提示。}
if IsValidTime(edit2.Text) then
begin
ShowWindow(Application.Handle,sw_minimize);
ShowWindow(Application.Handle,sw_hide);
ShowInTray;
end
else
showmessage(’提示：时间格式错误，’+chr(13)+
’请输入正确的关机时间 HH:MM。’);
end; {取消关机按钮} procedure TForm1.Btn_AbortClick(Sender: TObject);
begin
ifGetOperatingSystem=’Windows NT/2000/XP’ then
{对于Windows NT/2000/XP,取消关机}
begin
AbortSystemShutdown(pchar(getcomputername));
end;
{停止倒记时}
if timer2.Enabled =true then timer2.Enabled :=false;
btn_abort.Enabled :=false;
end; {输入关机时间后，可直接按回车} procedure TForm1.Edit2KeyPress(Sender: TObject; var Key: Char);
begin
if (key=#13)thenBtn_OK.Click;
end; {搜寻系统原子表看是否程序已运行} procedure TForm1.FormCreate(Sender: TObject);
begin
{如果没运行则在表中增加信息 }
if GlobalFindAtom(’PROGRAM_RUNNING’) = 0 then
atom := GlobalAddAtom(’PROGRAM_RUNNING’)
else begin
{如果程序已运行则显示信息然后退出 }
MessageDlg(’程序已经在运行!’,mtWarning,[mbOK],0);
Halt;
end;
end; procedure TForm1.FormDestroy(Sender: TObject);
begin
{程序退出时，从原子表中移走信息}
GlobalDeleteAtom(atom);
{删除托盘中的图标}
Shell_NotifyIcon(NIM_DELETE,@Tray);
end; procedure TForm1.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
begin
{如果已经开始倒记时，禁止关闭程序窗口}
if timer2.Enabled =true then canclose:=false;
end;
end.
看看 这个是否能用 可以定时关机的
热心网友
时间：2024-11-14 02:13
