1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377
|
unit storage;
interface
uses
Windows, ComObj, ActiveX, SysUtils;
const
FMTID_SummaryInformation : TGUID =
'{F29F85E0-4FF9-1068-AB91-08002B27B3D9}';
FMTID_DocSummaryInformation : TGUID =
'{D5CDD502-2E9C-101B-9397-08002B2CF9AE}';
FMTID_UserDefinedProperties : TGUID =
'{D5CDD505-2E9C-101B-9397-08002B2CF9AE}';
FMTID_AudioSummaryInformation : TGuid =
'{64440490-4C8B-11D1-8B70-080036B11A03}';
FMTID_VideoSummaryInformation : TGUID =
'{64440491-4C8B-11D1-8B70-080036B11A03}';
FMTID_ImageSummaryInformation : TGUID =
'{6444048f-4c8b-11d1-8b70-080036b11a03}';
FMTID_MediaFileSummaryInformation : TGUID =
'{64440492-4c8b-11d1-8b70-080036b11a03}';
STGFMT_STORAGE = 0;
STGFMT_FILE = 3;
STGFMT_ANY = 4;
STGFMT_DOCFILE = 5;
// Summary Information
PIDSI_TITLE = $00000002; // VT_LPSTR
PIDSI_SUBJECT = $00000003;
PIDSI_AUTHOR = $00000004;
PIDSI_KEYWORDS = $00000005;
PIDSI_COMMENTS = $00000006;
PIDSI_TEMPLATE = $00000007;
PIDSI_LASTAUTHOR = $00000008;
PIDSI_REVNUMBER = $00000009;
PIDSI_EDITTIME = $0000000A; // VT_FILETIME (UTC)
PIDSI_LASTPRINTED = $0000000B;
PIDSI_CREATE_DTM = $0000000C;
PIDSI_LASTSAVE_DTM = $0000000D;
PIDSI_PAGECOUNT = $0000000E; // VT_I4
PIDSI_WORDCOUNT = $0000000F;
PIDSI_CHARCOUNT = $00000010;
PIDSI_THUMBNAIL = $00000011; // VT_CF
PIDSI_APPNAME = $00000012; // VT_LPSTR
PIDSI_DOC_SECURITY = $00000013; // VT_I4
// Document Summary Information
PIDDSI_CATEGORY = $00000002; // VT_LPSTR
PIDDSI_PRESFORMAT = $00000003;
PIDDSI_BYTECOUNT = $00000004; // VT_I4
PIDDSI_LINECOUNT = $00000005;
PIDDSI_PARCOUNT = $00000006;
PIDDSI_SLIDECOUNT = $00000007;
PIDDSI_NOTECOUNT = $00000008;
PIDDSI_HIDDENCOUNT = $00000009;
PIDDSI_MMCLIPCOUNT = $0000000A;
PIDDSI_SCALE = $0000000B; // VT_BOOL
PIDDSI_HEADINGPAIR = $0000000C; // VT_VARIANT | VT_VECTOR
PIDDSI_DOCPARTS = $0000000D; // VT_LPSTR | VT_VECTOR
PIDDSI_MANAGER = $0000000E; // VT_LPSTR
PIDDSI_COMPANY = $0000000F;
PIDDSI_LINKSDIRTY = $00000010; // VT_BOOL
// FMTID_MediaFileSummaryInfo
PIDMSI_EDITOR = $00000002; // VT_LPWSTR
PIDMSI_SUPPLIER = $00000003;
PIDMSI_SOURCE = $00000004;
PIDMSI_SEQUENCE_NO = $00000005;
PIDMSI_PROJECT = $00000006;
PIDMSI_STATUS = $00000007; // VT_UI4
PIDMSI_OWNER = $00000008; // VT_LPWSTR
PIDMSI_RATING = $00000009;
PIDMSI_PRODUCTION = $0000000A; // VT_FILETIME (UTC)
PIDMSI_COPYRIGHT = $0000000B; // VT_LPWSTR
// FMTID_AudioSummaryInformation
PIDASI_FORMAT = $00000002; // VT_BSTR
PIDASI_TIMELENGTH = $00000003; // VT_UI4, milliseconds
PIDASI_AVG_DATA_RATE = $00000004; // VT_UI4, Hz
PIDASI_SAMPLE_RATE = $00000005; // VT_UI4, bits
PIDASI_SAMPLE_SIZE = $00000006; // VT_UI4, bits
PIDASI_CHANNEL_COUNT = $00000007; // VT_UI4
PIDASI_STREAM_NUMBER = $00000008; // VT_UI2
PIDASI_STREAM_NAME = $00000009; // VT_LPWSTR
PIDASI_COMPRESSION = $0000000A; // VT_LPWSTR
// FMTID_VideoSummaryInformation
PIDVSI_STREAM_NAME = $00000002; // "StreamName", VT_LPWSTR
PIDVSI_FRAME_WIDTH = $00000003; // "FrameWidth", VT_UI4
PIDVSI_FRAME_HEIGHT = $00000004; // "FrameHeight", VT_UI4
PIDVSI_TIMELENGTH = $00000007; // "TimeLength", VT_UI4, milliseconds
PIDVSI_FRAME_COUNT = $00000005; // "FrameCount". VT_UI4
PIDVSI_FRAME_RATE = $00000006; // "FrameRate", VT_UI4, frames/millisecond
PIDVSI_DATA_RATE = $00000008; // "DataRate", VT_UI4, bytes/second
PIDVSI_SAMPLE_SIZE = $00000009; // "SampleSize", VT_UI4
PIDVSI_COMPRESSION = $0000000A; // "Compression", VT_LPWSTR
PIDVSI_STREAM_NUMBER = $0000000B; // "StreamNumber", VT_UI2
type
TMultipleArray = record
pidInfoType : cardinal;
pidInfoStr : pchar;
end;
TMultipleArrayList = array of TMultipleArray;
function GetFileSummaryInfo(const FileName: WideString;
GUID_SummaryType: TGUID; PID_InfoType: cardinal): string;
function SetFileSummaryInfo(const FileName: WideString; GUID_InfoType: TGUID;
PID_InfoType: cardinal; InfoStr: string): boolean;
function SetMultipleFileSummaryInfo(const FileName: WideString;
GUID_InfoType: TGUID; MultipleArrayList: TMultipleArrayList): boolean;
function IsNTFS(AFileName : string) : boolean;
implementation
const
szOleDll = 'ole32.dll';
IID_IPropertySetStorage : TGUID = '{0000013A-0000-0000-C000-000000000046}';
type
TStgOpenStorageEx = function(const pwcsName: PWideChar;
grfMode: DWORD; stgfmt: DWORD; grfAttrs: DWORD; pStgOptions: pointer;
reserved2: pointer; riid: PGUID; out ppObjectOpen: IStorage): HRESULT;
stdcall;
var
StgOpenStorageEx : TStgOpenStorageEx = nil;
dll : dword = 0;
Win2k : boolean = false;
function GetHardDiskPartitionType(const DriveLetter: Char): string;
var
NotUsed: DWORD;
VolumeFlags: DWORD;
VolumeSerialNumber: DWORD;
PartitionType: array[0..32] of Char;
begin
GetVolumeInformation(PChar(DriveLetter + ':\'),
nil, MAX_PATH+1, @VolumeSerialNumber, NotUsed,
VolumeFlags, PartitionType, 32);
Result := PartitionType; // "FAT" ou "NTFS"
end;
function IsNTFS(AFileName : string) : boolean;
begin
IsNTFS := False;
if GetHardDiskPartitionType(ExtractFileDrive(AFileName)[1])='NTFS' then IsNTFS := True;
end;
function GetFileSummaryInfo(const FileName: WideString;
GUID_SummaryType: TGUID; PID_InfoType: cardinal): string;
var
hr : HRESULT;
Stg : IStorage;
PropSetStg : IPropertySetStorage;
PropStg : IPropertyStorage;
PropSpec : TPropSpec;
PropVariant : TPropVariant;
begin
Result := '';
hr := S_FALSE;
// for 9x and NT4 users
if(not Win2k) or (@StgOpenStorageEx = nil) then
hr := StgOpenStorage(pwidechar(FileName),nil,STGM_READ or
STGM_SHARE_DENY_WRITE,nil,0,Stg)
// for 2000, XP and higher
else if(@StgOpenStorageEx <> nil) then
hr := StgOpenStorageEx(pwidechar(FileName),STGM_READ or
STGM_SHARE_DENY_WRITE,STGFMT_ANY,0,nil,nil,
@IID_IPropertySetStorage,Stg);
if(hr = S_OK) then
begin
PropSetStg := Stg as IPropertySetStorage;
if(PropSetStg.Open(GUID_SummaryType,STGM_READ or
STGM_SHARE_EXCLUSIVE,PropStg) = S_OK) then
begin
PropSpec.ulKind := PRSPEC_PROPID;
PropSpec.propid := PID_InfoType;
if(PropStg.ReadMultiple(1,@PropSpec,@PropVariant) = S_OK) and
(PropVariant.vt = VT_LPSTR) and
(PropVariant.pszVal <> nil) then
Result := PropVariant.pszVal;
end;
end;
end;
function SetFileSummaryInfo(const FileName: WideString; GUID_InfoType: TGUID;
PID_InfoType: cardinal; InfoStr: string): boolean;
var
hr : HRESULT;
Stg : IStorage;
PropSetStg : IPropertySetStorage;
PropStg : IPropertyStorage;
PropSpec : TPropSpec;
PropVariant : TPropVariant;
begin
Result := false;
hr := S_FALSE;
// 9x and NT4
if(not Win2k) or (@StgOpenStorageEx = nil) then
hr := StgOpenStorage(pwidechar(FileName),nil,STGM_SHARE_EXCLUSIVE or
STGM_READWRITE,nil,0,Stg)
// 2000, XP and higher
else if(@StgOpenStorageEx <> nil) then
hr := StgOpenStorageEx(pwidechar(FileName),STGM_SHARE_EXCLUSIVE or
STGM_READWRITE,STGFMT_ANY,0,nil,nil,@IID_IPropertySetStorage,Stg);
if(hr = S_OK) then
begin
PropSetStg := Stg as IPropertySetStorage;
// try to open an existing Property set
hr := PropSetStg.Open(GUID_InfoType,STGM_READWRITE or
STGM_SHARE_EXCLUSIVE,PropStg);
// create a new set
if(hr <> S_OK) then
hr := PropSetStg.Create(GUID_InfoType,GUID_InfoType,
PROPSETFLAG_DEFAULT,STGM_CREATE or STGM_READWRITE or
STGM_SHARE_EXCLUSIVE,PropStg);
if(hr = S_OK) then
begin
PropSpec.ulKind := PRSPEC_PROPID;
PropSpec.propid := PID_InfoType;
PropVariant.vt := VT_LPSTR;
PropVariant.pszVal := pchar(InfoStr);
if(PropStg.WriteMultiple(1,@PropSpec,@PropVariant,2) = S_OK) then
begin
Result := (PropStg.Commit(STGC_DEFAULT) = S_OK);
end;
end;
end;
end;
function SetMultipleFileSummaryInfo(const FileName: WideString;
GUID_InfoType: TGUID; MultipleArrayList: TMultipleArrayList): boolean;
var
Stg : IStorage;
PropSetStg : IPropertySetStorage;
hr : HRESULT;
PropStg : IPropertyStorage;
PropSpec : array of TPropSpec;
PropVariant : array of TPropVariant;
i : integer;
begin
Result := false;
hr := S_FALSE;
if(length(MultipleArrayList) = 0) then exit;
// 9x, NT4
if(not Win2k) or (@StgOpenStorageEx = nil) then
hr := StgOpenStorage(pwidechar(FileName),nil,STGM_SHARE_EXCLUSIVE or
STGM_READWRITE,nil,0,Stg)
// 2000, XP and higher
else if(@StgOpenStorageEx <> nil) then
hr := StgOpenStorageEx(pwidechar(FileName),STGM_SHARE_EXCLUSIVE or
STGM_READWRITE,STGFMT_ANY,0,nil,nil,@IID_IPropertySetStorage,Stg);
if(hr = S_OK) then
begin
PropSetStg := Stg as IPropertySetStorage;
// try to open an existing Property set
hr := PropSetStg.Open(GUID_InfoType,STGM_READWRITE or
STGM_SHARE_EXCLUSIVE,PropStg);
// create a new set
if(hr <> S_OK) then
hr := PropSetStg.Create(GUID_InfoType,GUID_InfoType,
PROPSETFLAG_DEFAULT,STGM_CREATE or STGM_READWRITE or
STGM_SHARE_EXCLUSIVE,PropStg);
if(hr = S_OK) then
begin
// set default length
SetLength(PropSpec,0);
SetLength(PropVariant,0);
// fill
for i := 0 to length(MultipleArrayList) - 1 do
if(MultipleArrayList[i].pidInfoType <> 0) and
(MultipleArrayList[i].pidInfoStr <> nil) then
begin
SetLength(PropSpec,length(PropSpec) + 1);
PropSpec[length(PropSpec)-1].ulKind := PRSPEC_PROPID;
PropSpec[length(PropSpec)-1].propid :=
MultipleArrayList[i].pidInfoType;
SetLength(PropVariant,length(PropVariant) + 1);
PropVariant[length(PropVariant)-1].vt := VT_LPSTR;
PropVariant[length(PropVariant)-1].pszVal :=
MultipleArrayList[i].pidInfoStr;
end;
// write
if(length(PropSpec) > 0) and
(length(PropVariant) > 0) and
(length(PropSpec) = length(PropVariant)) then
begin
if(PropStg.WriteMultiple(length(PropSpec),@PropSpec[0],
@PropVariant[0],2) = S_OK) then
begin
Result := (PropStg.Commit(STGC_DEFAULT) = S_OK);
end;
SetLength(PropSpec,0);
SetLength(PropVariant,0);
end;
end;
end;
end;
//
// Main
//
var
os : TOSVersionInfo;
initialization
// get OS
ZeroMemory(@os,sizeof(os));
os.dwOSVersionInfoSize := sizeof(os);
// is it Windows 2000 or higher?
Win2k := (GetVersionEx(os)) and
(os.dwMajorVersion >= 5) and
(os.dwPlatformId = VER_PLATFORM_WIN32_NT);
CoInitialize(nil);
dll := LoadLibrary(szOleDll);
if(dll <> 0) then
begin
StgOpenStorageEx := GetProcAddress(dll,'StgOpenStorageEx');
if(@StgOpenStorageEx = nil) then
begin
FreeLibrary(dll);
dll := 0;
end;
end;
finalization
if(dll <> 0) then FreeLibrary(dll);
CoUninitialize;
end. |
Partager