3 |
interface |
interface |
4 |
uses |
uses |
5 |
Controls, |
Controls, |
6 |
Graphics //TColor |
Graphics, //TColor |
7 |
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IniFiles, |
8 |
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Windows //TFileTime |
9 |
; |
; |
10 |
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|
11 |
type |
type |
24 |
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|
25 |
class function AdobeReaderExists(): Boolean; |
class function AdobeReaderExists(): Boolean; |
26 |
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27 |
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class function Sto_GetFmtFileVersion(const FileName: String = ''): String; |
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29 |
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class function CheckUrl(url:string): boolean; |
30 |
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31 |
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class function FileTime2DateTime(FileTime: TFileTime): TDateTime; |
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33 |
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class function GetComputerNameHelper() : String; |
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35 |
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class function GetCurrentUserName : string; |
36 |
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37 |
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class function URLEncode(const s : string) : string; |
38 |
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39 |
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40 |
end; |
end; |
43 |
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44 |
uses StrUtils, |
uses StrUtils, |
45 |
Types, //TRect , |
Types, //TRect , |
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Windows, |
|
46 |
Messages, |
Messages, |
47 |
SysUtils, //IntToStr etc |
SysUtils, //IntToStr etc |
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Registry |
Registry, |
49 |
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wininet, //CheckUrl |
50 |
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51 |
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HTTPApp //HTTPEncode |
52 |
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53 |
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54 |
; |
; |
55 |
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192 |
AReg.Free; |
AReg.Free; |
193 |
end; |
end; |
194 |
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195 |
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196 |
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/// <summary> |
197 |
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/// This function reads the file resource of "FileName" and returns |
198 |
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/// the version number as formatted text.</summary> |
199 |
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/// <example> |
200 |
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/// Sto_GetFmtFileVersion() = '4.13.128.0' |
201 |
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/// Sto_GetFmtFileVersion('', '%.2d-%.2d-%.2d') = '04-13-128' |
202 |
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/// </example> |
203 |
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/// <remarks>If "Fmt" is invalid, the function may raise an |
204 |
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/// EConvertError exception.</remarks> |
205 |
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/// <param name="FileName">Full path to exe or dll. If an empty |
206 |
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/// string is passed, the function uses the filename of the |
207 |
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/// running exe or dll.</param> |
208 |
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/// <param name="Fmt">Format string, you can use at most four integer |
209 |
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/// values.</param> |
210 |
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/// <returns>Formatted version number of file, '' if no version |
211 |
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/// resource found.</returns> |
212 |
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class function TUtils.Sto_GetFmtFileVersion(const FileName: String = ''): String; |
213 |
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var |
214 |
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sFileName: String; |
215 |
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iBufferSize: DWORD; |
216 |
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iDummy: DWORD; |
217 |
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pBuffer: Pointer; |
218 |
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pFileInfo: Pointer; |
219 |
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iVer: array[1..4] of Integer; |
220 |
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begin |
221 |
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// set default value |
222 |
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Result := ''; |
223 |
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// get filename of exe/dll if no filename is specified |
224 |
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sFileName := Trim(FileName); |
225 |
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if (sFileName = '') then |
226 |
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sFileName := GetModuleName(HInstance); |
227 |
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// get size of version info (0 if no version info exists) |
228 |
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iBufferSize := GetFileVersionInfoSize(PChar(sFileName), iDummy); |
229 |
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if (iBufferSize > 0) then |
230 |
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begin |
231 |
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GetMem(pBuffer, iBufferSize); |
232 |
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try |
233 |
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// get fixed file info (language independent) |
234 |
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GetFileVersionInfo(PChar(sFileName), 0, iBufferSize, pBuffer); |
235 |
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VerQueryValue(pBuffer, '\', pFileInfo, iDummy); |
236 |
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// read version blocks |
237 |
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iVer[1] := HiWord(PVSFixedFileInfo(pFileInfo)^.dwFileVersionMS); |
238 |
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iVer[2] := LoWord(PVSFixedFileInfo(pFileInfo)^.dwFileVersionMS); |
239 |
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iVer[3] := HiWord(PVSFixedFileInfo(pFileInfo)^.dwFileVersionLS); |
240 |
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iVer[4] := LoWord(PVSFixedFileInfo(pFileInfo)^.dwFileVersionLS); |
241 |
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finally |
242 |
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FreeMem(pBuffer); |
243 |
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end; |
244 |
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245 |
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// format result string |
246 |
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Result := Format('%d.%d.%d.%d', [iVer[1], iVer[2], iVer[3], iVer[4]]); |
247 |
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|
248 |
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end; |
249 |
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end; |
250 |
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251 |
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252 |
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class function TUtils.CheckUrl(url:string):boolean; |
253 |
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var |
254 |
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hSession, hfile: hInternet; |
255 |
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dwindex,dwcodelen :dword; |
256 |
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dwcode:array[1..20] of char; |
257 |
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res : pchar; |
258 |
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begin |
259 |
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if pos('http://',lowercase(url))=0 then |
260 |
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url := 'http://'+url; |
261 |
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Result := false; |
262 |
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hSession := InternetOpen('InetURL:/1.0', |
263 |
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INTERNET_OPEN_TYPE_PRECONFIG, |
264 |
|
nil, |
265 |
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nil, |
266 |
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0); |
267 |
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if assigned(hsession) then |
268 |
|
begin |
269 |
|
hfile := InternetOpenUrl(hsession, |
270 |
|
pchar(url), |
271 |
|
nil, |
272 |
|
0, |
273 |
|
INTERNET_FLAG_RELOAD, |
274 |
|
0); |
275 |
|
dwIndex := 0; |
276 |
|
dwCodeLen := 10; |
277 |
|
HttpQueryInfo(hfile, |
278 |
|
HTTP_QUERY_STATUS_CODE, |
279 |
|
@dwcode, |
280 |
|
dwcodeLen, |
281 |
|
dwIndex); |
282 |
|
res := pchar(@dwcode); |
283 |
|
result:= (res ='200') or (res ='302'); |
284 |
|
if assigned(hfile) then |
285 |
|
InternetCloseHandle(hfile); |
286 |
|
InternetCloseHandle(hsession); |
287 |
|
end; |
288 |
|
|
289 |
|
end; |
290 |
|
|
291 |
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|
292 |
|
class function TUtils.FileTime2DateTime(FileTime: TFileTime): TDateTime; |
293 |
|
var |
294 |
|
LocalFileTime: TFileTime; |
295 |
|
SystemTime: TSystemTime; |
296 |
|
begin |
297 |
|
FileTimeToLocalFileTime(FileTime, LocalFileTime) ; |
298 |
|
FileTimeToSystemTime(LocalFileTime, SystemTime) ; |
299 |
|
Result := SystemTimeToDateTime(SystemTime) ; |
300 |
|
end; |
301 |
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|
302 |
|
|
303 |
|
class function TUtils.GetComputerNameHelper : String; |
304 |
|
var |
305 |
|
buffer: array[0..255] of char; |
306 |
|
size: dword; |
307 |
|
begin |
308 |
|
size := 256; |
309 |
|
if GetComputerName(buffer, size) then |
310 |
|
Result := buffer |
311 |
|
else |
312 |
|
Result := '' |
313 |
|
end; |
314 |
|
|
315 |
|
class function TUtils.GetCurrentUserName : string; |
316 |
|
const |
317 |
|
cnMaxUserNameLen = 254; |
318 |
|
var |
319 |
|
sUserName : string; |
320 |
|
dwUserNameLen : DWord; |
321 |
|
begin |
322 |
|
dwUserNameLen := cnMaxUserNameLen-1; |
323 |
|
SetLength( sUserName, cnMaxUserNameLen ); |
324 |
|
GetUserName(PChar( sUserName ),dwUserNameLen ); |
325 |
|
SetLength( sUserName, dwUserNameLen ); |
326 |
|
Result := sUserName; |
327 |
|
end; |
328 |
|
|
329 |
|
|
330 |
|
class function TUtils.URLEncode(const s : string) : string; |
331 |
|
begin |
332 |
|
result := HTTPEncode(s); |
333 |
|
end; |
334 |
|
|
335 |
|
|
336 |
end. |
end. |