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using C++Builder 2007, the FindFirstFile and FindNextFile functions doesn't seem to be able to find some files on 64-bit versions of Vista and XP. My test application is 32-bit. If I use them to iterate through the folder C:\Windows\System32\Drivers they only find a handful of files although there are 185 when I issue a dir command in a command prompt. Using the same example code lists all files fine on a 32-bit version of XP. Here is a small example program: int main(int argc, char* argv[]) { HANDLE hFind; WIN32_FIND_DATA FindData; int ErrorCode; bool cont = true; cout << "FindFirst/Next demo." << endl << endl; hFind = FindFirstFile("*.*", &FindData); if(hFind == INVALID_HANDLE_VALUE) { ErrorCode = GetLastError(); if (ErrorCode == ERROR_FILE_NOT_FOUND) { cout << "There are no files matching that path/mask\n" << endl; } else { cout << "FindFirstFile() returned error code " << ErrorCode << endl; } cont = false; } else { cout << FindData.cFileName << endl; } if (cont) { while (FindNextFile(hFind, &FindData)) { cout << FindData.cFileName << endl; } ErrorCode = GetLastError(); if (ErrorCode == ERROR_NO_MORE_FILES) { cout << endl << "All files logged." << endl; } else { cout << "FindNextFile() returned error code " << ErrorCode << endl; } if (!FindClose(hFind)) { ErrorCode = GetLastError(); cout << "FindClose() returned error code " << ErrorCode << endl; } } return 0; } Running it in the C:\Windows\System32\Drivers folder on 64-bit XP returns this: C:\WINDOWS\system32\drivers>t:\Project1.exe FindFirst/Next demo. . .. AsIO.sys ASUSHWIO.SYS hfile.txt raspti.zip stcp2v30.sys truecrypt.sys All files logged.

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