ULARGE_INTEGER nFreeBytesAvailable;
ULARGE_INTEGER nTotalNumberOfBytes;
ULARGE_INTEGER nTotalNumberOfFreeBytes;
TCHAR chBuf[256];
if (GetDiskFreeSpaceEx(_T("//StorageCard"),
&nFreeBytesAvailable,
&nTotalNumberOfBytes,
&nTotalNumberOfFreeBytes))
wsprintf(chBuf,_T("Av=%I64d,Total=%I64d,Free=%I64d/r/n"),
nFreeBytesAvailable,
nTotalNumberOfBytes,
nTotalNumberOfFreeBytes);
OutputDebugString(chBuf);