标题: 常用函数汇总[转自掰掰开发] [打印本页]

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作者: fxh7622    时间: 2011-5-13 10:37     标题: 常用函数汇总[转自掰掰开发]

http://www.88dev.com/thread-205-1-1.html常用函数汇总之重启动计算机

//计算机重启
function RestartWindow: bool;
var
  hProcess: integer;
  hToken: THandle;
  Privileges: TOKEN_PRIVILEGES;
  Retlen : DWORD;
begin
  try
    hProcess := GetCurrentProcess();
    OpenProcessToken(hProcess,TOKEN_ADJUST_PRIVILEGES or
     TOKEN_ALL_ACCESS or TOKEN_QUERY ,hToken);
    Privileges.PrivilegeCount :=1;
    LookupPrivilegeValue(nil,'SeShutdownPrivilege',Privileges.Privileges[0].Luid);
    Privileges.Privileges[0].Attributes := SE_PRIVILEGE_ENABLED ;
    Retlen:= 50;
    AdjustTokenPrivileges(hToken,False,Privileges,0,nil,Retlen);
    ExitWindowsEx(EWX_REBOOT,0);
    result:= True;
  except
    result:= False;
  end;
end;

//常用函数汇总之关闭计算机

function ExitWindow: bool;
var
  hProcess: integer;
  hToken: THandle;
  Privileges: TOKEN_PRIVILEGES;
  Retlen : DWORD;
begin
  try
    hProcess := GetCurrentProcess();
    OpenProcessToken(hProcess,TOKEN_ADJUST_PRIVILEGES or
     TOKEN_ALL_ACCESS or TOKEN_QUERY ,hToken);
    Privileges.PrivilegeCount :=1;
    LookupPrivilegeValue(nil,'SeShutdownPrivilege',Privileges.Privileges[0].Luid);
    Privileges.Privileges[0].Attributes := SE_PRIVILEGE_ENABLED ;
    Retlen:= 50;
    AdjustTokenPrivileges(hToken,False,Privileges,0,nil,Retlen);
    ExitWindowsEx(EWX_SHUTDOWN,0);
    result:= True;
  except
    result:= False;
  end;
end;

//常用函数汇总之得到计算机名称
function ComputerName: string;
var
  CompName: array[0..MAX_COMPUTERNAME_LENGTH] of char;
  dNameSize: DWORD;
  sResult: string;
begin
  dNameSize:=  (MAX_COMPUTERNAME_LENGTH+1);
  ZeroMemory(@CompName,dNameSize*sizeof(char));
  GetComputerName(@CompName,dNameSize);
  sResult := CompName;
  Result:=sResult;
end;

//常用函数汇总之得到本机MAC地址

function NBGetAdapterAddress: string;
var
  NCB : TNCB; //NetBios控制块
  ADAPTER : TADAPTERSTATUS; //取网卡状态
  LANAENUM : TLANAENUM; // Netbios lana
  intIdx,Num : Integer; //临时变量
  cRC : Char; //NetBios返回值
  strTemp : String; //临时变量
begin
  Result := '';
  Num := 0;
  Try
    ZeroMemory(@NCB, SizeOf(NCB));
    // Issue enum command
    NCB.ncb_command := Chr(NCBENUM);
    cRC := NetBios(@NCB);
    // Reissue enum command
    NCB.ncb_buffer := @LANAENUM;
    NCB.ncb_length := SizeOf(LANAENUM);
    cRC := NetBios(@NCB);
    If Ord(cRC)<>0 Then
      exit;
    // Reset adapter
    ZeroMemory(@NCB, SizeOf(NCB));
    NCB.ncb_command := Chr(NCBRESET);
    NCB.ncb_lana_num := LANAENUM.lana[Num];
    cRC := NetBios(@NCB);
    If Ord(cRC)<>0 Then
      exit;
    // Get adapter address
    ZeroMemory(@NCB, SizeOf(NCB));
    NCB.ncb_command := Chr(NCBASTAT);
    NCB.ncb_lana_num := LANAENUM.lana[Num];
    StrPCopy(NCB.ncb_callname, '*');
    NCB.ncb_buffer := @ADAPTER;
    NCB.ncb_length := SizeOf(ADAPTER);
    cRC := NetBios(@NCB);
    // Convert it to string
    strTemp := '';
    For intIdx := 0 To 5 Do
      strTemp := strTemp + InttoHex(Integer(ADAPTER.adapter_address[intIdx]),2);
    Result := strTemp;
  Finally
  End;
end;
http://www.88dev.com/forum-viewthread-tid-205-fromuid-40.html

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