Mega Code Archive
Sistem tarihini ve saatini değiştirme
<![CDATA[
1.}
procedure TForm1.Button1Click(Sender: TObject);
var
SystemTime: TSystemTime;
NewTime, NewDate: string;
begin
NewTime := '13:58:00';
NewDate := '02.02.2001'; // or '02/02/01'
DateTimeToSystemTime(StrToDate(NewDate) + StrToTime(NewTime), SystemTime);
SetLocalTime(SystemTime);
// Tell windows, that the Time changed!
PostMessage(HWND_BROADCAST, WM_TIMECHANGE, 0, 0); // *
end;
{
Windows 2000 and later: An application should not broadcast
the WM_TIMECHANGE message because the system will broadcast
this message when the application changes the system time.
}
{************************************************************}
{2.}
function SetSystemTime(DateTime: TDateTime): Boolean;
{ (c) by UNDO }
var
tSetDati: TDateTime;
vDatiBias: Variant;
tTZI: TTimeZoneInformation;
tST: TSystemTime;
begin
GetTimeZoneInformation(tTZI);
vDatiBias := tTZI.Bias / 1440;
tSetDati := DateTime + vDatiBias;
with tST do
begin
wYear := StrToInt(FormatDateTime('yyyy', tSetDati));
wMonth := StrToInt(FormatDateTime('mm', tSetDati));
wDay := StrToInt(FormatDateTime('dd', tSetDati));
wHour := StrToInt(FormatDateTime('hh', tSetDati));
wMinute := StrToInt(FormatDateTime('nn', tSetDati));
wSecond := StrToInt(FormatDateTime('ss', tSetDati));
wMilliseconds := 0;
end;
Result := Windows.SetSystemTime(tST);
end;
{************************************************************}
{3.}
function IsNT: Boolean;
var
OS: TOSVersionInfo;
begin
ZeroMemory(@OS, SizeOf(OS));
OS.dwOSVersionInfoSize := SizeOf(OS);
GetVersionEx(OS);
Result := OS.dwPlatformId = VER_PLATFORM_WIN32_NT;
end;
procedure SetDateTime(dDateTime: TDateTime);
var
dSysTime: TSystemTime;
buffer: DWORD;
tkp, tpko: TTokenPrivileges;
hToken: THandle;
begin
if IsNT then
begin
if not OpenProcessToken(GetCurrentProcess(),
TOKEN_ADJUST_PRIVILEGES or TOKEN_QUERY,
hToken) then Exit;
LookupPrivilegeValue(nil, 'SE_SYSTEMTIME_NAME', tkp.Privileges[0].Luid);
tkp.PrivilegeCount := 1;
tkp.Privileges[0].Attributes := SE_PRIVILEGE_ENABLED;
if not AdjustTokenPrivileges(hToken, False, tkp,
SizeOf(tkp), tpko, buffer) then Exit;
end;
DateTimeToSystemTime(dDateTime, dSysTime);
Windows.SetLocalTime(dSysTime);
end
]]>