Sets which window owns the Tedds calculator's main window.
SetOwnerWindow( ownerWindow )
ownerWindow Window handle of the window to own the Tedds calculator main window handle.
The main Tedds calculator window is always hidden but acts as the parent window for all other windows displayed by the Tedds calculator. Setting the owner window to the calling process allows the windows the Tedds calculator displays to behave like child windows of the calling process