void CExDriversDlg::OnSize() {

CString Driver; m_ctrlDirList.GetWindowText(Driver);

ULARGE_INTEGER TotalBytes,FreeBytes,FreeAv;

if(GetDiskFreeSpaceEx(Driver,&FreeAv,&TotalBytes,&FreeBytes)) { CString strTotalBytes; strTotalBytes.Format("u%",TotalBytes.QuadPart);

AfxMessageBox(strTotalBytes); } }