2009. december 28., hétfő

how to delete temporary Internet Files

Problem/Question/Abstract:

How to delete Temporary Internet files.

Answer:

uses
WinInet;

procedure DeleteIECache;
var
lpEntryInfo: PInternetCacheEntryInfo;
hCacheDir: LongWord;
dwEntrySize: LongWord;
begin
dwEntrySize := 0;
FindFirstUrlCacheEntry(nil, TInternetCacheEntryInfo(nil^), dwEntrySize);
GetMem(lpEntryInfo, dwEntrySize);
if dwEntrySize > 0 then lpEntryInfo^.dwStructSize := dwEntrySize;
hCacheDir := FindFirstUrlCacheEntry(nil, lpEntryInfo^, dwEntrySize);
if hCacheDir <> 0 then
begin
repeat
DeleteUrlCacheEntry(lpEntryInfo^.lpszSourceUrlName);
FreeMem(lpEntryInfo, dwEntrySize);
dwEntrySize := 0;
FindNextUrlCacheEntry(hCacheDir, TInternetCacheEntryInfo(nil^), dwEntrySize);
GetMem(lpEntryInfo, dwEntrySize);
if dwEntrySize > 0 then lpEntryInfo^.dwStructSize := dwEntrySize;
until not FindNextUrlCacheEntry(hCacheDir, lpEntryInfo^, dwEntrySize);
end;
FreeMem(lpEntryInfo, dwEntrySize);
FindCloseUrlCache(hCacheDir);
end;


// Beispiel:
// Example:
procedure TForm1.Button1Click(Sender: TObject);
begin
DeleteIECache;
end;



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