请问这个文件监控例子中uTbLogFile是什么？
看到一个文件监控的例子，试了下
但提示cannnot resolve unit name 'uTbLogFile'
请问，这个 uTbLogFile是什么？？
要在哪安装吗？
原文地址：http://blog.csdn.net/yanjiaye520/article/details/7818631
unit ufrmMain;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs ,shlobj, Activex, StdCtrls,
Menus,
uTbLogFile;
const
SHCNE_RENAMEITEM = $1;
SHCNE_CREATE = $2;
SHCNE_DELETE = $4;
SHCNE_MKDIR = $8;
SHCNE_RMDIR = $10;
SHCNE_MEDIAINSERTED = $20;
SHCNE_MEDIAREMOVED = $40;
SHCNE_DRIVEREMOVED = $80;
SHCNE_DRIVEADD = $100;
SHCNE_NETSHARE = $200;
SHCNE_NETUNSHARE = $400;
SHCNE_ATTRIBUTES = $800;
SHCNE_UPDATEDIR = $1000;
SHCNE_UPDATEITEM = $2000;
SHCNE_SERVERDISCONNECT = $4000;
SHCNE_UPDATEIMAGE = $8000;
SHCNE_DRIVEADDGUI = $10000;
SHCNE_RENAMEFOLDER = $20000;
SHCNE_FREESPACE = $40000;
SHCNE_ASSOCCHANGED = $8000000;
SHCNE_DISKEVENTS = $2381F;
SHCNE_GLOBALEVENTS = $C0581E0;
SHCNE_ALLEVENTS = $7FFFFFFF;
SHCNE_INTERRUPT = $80000000;
SHCNF_IDLIST = 0;
// LPITEMIDLIST
SHCNF_PATHA = $1;
// path name
SHCNF_PRINTERA = $2;
// printer friendly name
SHCNF_DWORD = $3;
// DWORD
SHCNF_PATHW = $5;
// path name
SHCNF_PRINTERW = $6;
// printer friendly name
SHCNF_TYPE = $FF;
SHCNF_FLUSH = $1000;
SHCNF_FLUSHNOWAIT = $2000;
SHCNF_PATH = SHCNF_PATHW;
SHCNF_PRINTER = SHCNF_PRINTERW;
WM_SHNOTIFY = $401;
NOERROR = 0;
type
TForm1 = class(TForm)
mmo1: TMemo;
Button1: TButton;
procedure FormCreate(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
procedure btn1Click(Sender: TObject);
procedure FormDestroy(Sender: TObject);
private
WRITE_LOG : TRTLCriticalSection;
FLogWriterSetupForm: TTbLogFile;
public
procedure WMShellReg(var Message:TMessage);message WM_SHNOTIFY;
end;
type
PSHNOTIFYSTRUCT=^SHNOTIFYSTRUCT;
SHNOTIFYSTRUCT = record
dwItem1 : PItemIDList;
dwItem2 : PItemIDList;
end;
Type
PSHFileInfoByte=^SHFileInfoByte;
_SHFileInfoByte = record
hIcon :Integer;
iIcon :Integer;
dwAttributes : Integer;
szDisplayName : array [0..259] of char;
szTypeName : array [0..79] of char;
end;
SHFileInfoByte=_SHFileInfoByte;
Type PIDLSTRUCT = ^IDLSTRUCT;
_IDLSTRUCT = record
pidl : PItemIDList;
bWatchSubFolders : Integer;
end;
IDLSTRUCT = _IDLSTRUCT;
function SHNotify_Register(hWnd : Integer) : Bool;
function SHNotify_UnRegister:Bool;
function SHEventName(strPath1,strPath2:string;lParam:Integer):string;
Function SHChangeNotifyDeregister(hNotify:integer):integer;stdcall;external 'Shell32.dll' index 4;
Function SHChangeNotifyRegister(hWnd,uFlags,dwEventID,uMSG,cItems:LongWord;lpps:PIDLSTRUCT):integer;stdcall;external 'Shell32.dll' index 2;
Function SHGetFileInfoPidl(pidl : PItemIDList;dwFileAttributes : Integer;psfib : PSHFILEINFOBYTE;cbFileInfo : Integer;uFlags : Integer):Integer;stdcall;external 'Shell32.dll' name 'SHGetFileInfoA';
var
Form1: TForm1;
m_hSHNotify:Integer;
m_pidlDesktop : PItemIDList;
implementation
{$R *.dfm}
function SHEventName(strPath1, strPath2: string; lParam: Integer): string;
var
sEvent:String;
begin
case lParam of //根据参数设置提示消息
SHCNE_RENAMEITEM: sEvent := '重命名文件' + strPath1 + '为' + strpath2;
SHCNE_CREATE: sEvent := '建立文件 文件名：' + strPath1;
SHCNE_DELETE: sEvent := '删除文件 文件名：' + strPath1;
SHCNE_MKDIR: sEvent := '新建目录 目录名：' + strPath1;
SHCNE_RMDIR: sEvent := '删除目录 目录名：' + strPath1;
SHCNE_MEDIAINSERTED: sEvent := strPath1 + '中插入可移动存储介质';
SHCNE_MEDIAREMOVED: sEvent := strPath1 + '中移去可移动存储介质' + strPath1 + ' '+strpath2;
SHCNE_DRIVEREMOVED: sEvent := '移去驱动器' + strPath1;
SHCNE_DRIVEADD: sEvent := '添加驱动器' + strPath1;
SHCNE_NETSHARE: sEvent := '改变目录' + strPath1 + '的共享属性';
SHCNE_ATTRIBUTES: sEvent := '改变文件目录属性 文件名' + strPath1;
SHCNE_UPDATEDIR: sEvent := '更新目录' + strPath1;
SHCNE_UPDATEITEM: sEvent := '更新文件 文件名：' + strPath1;
SHCNE_SERVERDISCONNECT: sEvent := '断开与服务器的连接' + strPath1 + ' ' + strpath2;
SHCNE_UPDATEIMAGE: sEvent := 'SHCNE_UPDATEIMAGE';
SHCNE_DRIVEADDGUI: sEvent := 'SHCNE_DRIVEADDGUI';
SHCNE_RENAMEFOLDER: sEvent := '重命名文件夹' + strPath1 + '为' + strpath2;
SHCNE_FREESPACE: sEvent := '磁盘空间大小改变';
SHCNE_ASSOCCHANGED: sEvent := '改变文件关联';
else
sEvent := '未知操作' + IntToStr(lParam);
end;
Result := sEvent;
end;
function SHNotify_Register(hWnd: Integer): Bool;
var
ps: pidlstruct;
begin
{$R-}
result := false;
if m_hshnotify = 0 then
begin
//获取桌面文件夹的pidl
if shgetspecialfolderlocation(0, CSIDL_DESKTOP, m_pidldesktop) <> noerror then
form1.close;
if boolean(m_pidldesktop) then begin
new(ps);
try
ps.bwatchsubfolders := 1;
ps.pidl := m_pidldesktop;
// 利用shchangenotifyregister函数注册系统消息处理
m_hshnotify := shchangenotifyregister(hwnd, (shcnf_type or shcnf_idlist),
(shcne_allevents or shcne_interrupt),
wm_shnotify, 1, ps);
result := boolean(m_hshnotify);
finally
FreeMem(ps);
end;
end
else
begin
// 如果出现错误就使用 cotaskmemfree函数来释放句柄
cotaskmemfree(m_pidldesktop);
end;
end;
{$R+}
end;
function SHNotify_UnRegister: Bool;
begin
Result := False;
If Boolean(m_hSHNotify) Then
begin
//取消系统消息监视，同时释放桌面的Pidl
If Boolean(SHChangeNotifyDeregister(m_hSHNotify)) Then begin
{$R-}
m_hSHNotify := 0;
CoTaskMemFree(m_pidlDesktop);
Result := True;
{$R-}
End;
end;
end;
procedure TForm1.WMShellReg(var Message: TMessage);
//file://系统消息处理函数
var
strPath1,strPath2:String;
charPath:array[0..259]of char;
pidlItem:PSHNOTIFYSTRUCT;
begin
pidlItem := PSHNOTIFYSTRUCT(Message.wParam);
//file://获得系统消息相关得路径
SHGetPathFromIDList(pidlItem.dwItem1, charPath);
strPath1 := charPath;
SHGetPathFromIDList(pidlItem.dwItem2, charPath);
strPath2 := charPath;
try
EnterCriticalSection(WRITE_LOG);
FLogWriterSetupForm.WriteLnLog(SHEvEntName(strPath1, strPath2, Message.lParam) + chr(13) + chr(10));
finally
LeaveCriticalSection(WRITE_LOG);
end;
// mmo1.Lines.Add(SHEvEntName(strPath1,strPath2,Message.lParam)+chr(13)+chr(10));
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;
procedure TForm1.FormCreate(Sender: TObject);
begin
Caption := GetComputerName;
InitializeCriticalSection(WRITE_LOG);
FLogWriterSetupForm := TTbLogFile.Create(nil);
FLogWriterSetupForm.AutoRenameByDay := True;
FLogWriterSetupForm.Open(ExtractFilePath(ParamStr(0)) + ' 操作.log', otAppend);
end;
procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
//在程序退出的同时删除监视
if Boolean(m_pidlDesktop) then
SHNotify_Unregister;
end;
procedure TForm1.btn1Click(Sender: TObject);
begin
m_hSHNotify:=0;
if SHNotify_Register(Form1.Handle) then begin //file://注册Shell监视
ShowMessage('Shell监视程序成功注册');
Button1.Enabled := False;
end
else
ShowMessage('Shell监视程序注册失败');
end;
procedure TForm1.FormDestroy(Sender: TObject);
begin
DeleteCriticalSection(WRITE_LOG);
FreeAndNil(FLogWriterSetupForm);
end;
end.
