怎么才能调用IE的删除临时文件功能？（送200分）

[hulanfly]

本人想写一个程序定时将IE临时文件清空，能办得到吗？怎么做？

[111222]

http://www.codeguru.com/ieprogram/DeleteTemps.shtml

#include <wininet.h>
//
// Delete all files in the Temporary Internet Files folder
//
// Note that you can specify what NOT to delete by testing entry type
// In code below, cookie entries are not deleted
// [see if (!(lpCacheEntry->CacheEntryType & COOKIE_CACHE_ENTRY))]
//
BOOL DelTempFiles()
{
BOOL bResult = FALSE;
BOOL bDone = FALSE;
LPINTERNET_CACHE_ENTRY_INFO lpCacheEntry = NULL;

DWORD dwTrySize, dwEntrySize = 4096; // start buffer size
HANDLE hCacheDir = NULL;
DWORD dwError = ERROR_INSUFFICIENT_BUFFER;

do
{
switch (dwError)
{
// need a bigger buffer
case ERROR_INSUFFICIENT_BUFFER:
delete [] lpCacheEntry;
lpCacheEntry = (LPINTERNET_CACHE_ENTRY_INFO) new char[dwEntrySize];
lpCacheEntry->dwStructSize = dwEntrySize;
dwTrySize = dwEntrySize;
BOOL bSuccess;
if (hCacheDir == NULL)

bSuccess = (hCacheDir
= FindFirstUrlCacheEntry(NULL, lpCacheEntry,
&dwTrySize)) != NULL;
else
bSuccess = FindNextUrlCacheEntry(hCacheDir, lpCacheEntry, &dwTrySize);

if (bSuccess)
dwError = ERROR_SUCCESS;
else
{
dwError = GetLastError();
dwEntrySize = dwTrySize; // use new size returned
}
break;

// we are done
case ERROR_NO_MORE_ITEMS:
bDone = TRUE;
bResult = TRUE;
break;

// we have got an entry
case ERROR_SUCCESS:

// don't delete cookie entry
if (!(lpCacheEntry->CacheEntryType & COOKIE_CACHE_ENTRY))

DeleteUrlCacheEntry(lpCacheEntry->lpszSourceUrlName);

// get ready for next entry
dwTrySize = dwEntrySize;
if (FindNextUrlCacheEntry(hCacheDir, lpCacheEntry, &dwTrySize))
dwError = ERROR_SUCCESS;

else
{
dwError = GetLastError();
dwEntrySize = dwTrySize; // use new size returned
}
break;

// unknown error
default:
bDone = TRUE;
break;
}

if (bDone)
{
delete [] lpCacheEntry;
if (hCacheDir)
FindCloseUrlCache(hCacheDir);

}
} while (!bDone);
return bResult;
}

[molight]

good