display-id
    OpenVMS usage:identifier
    type:         longword (unsigned)
    access:       read only
    mechanism:    by reference
    Specifies the virtual display to be removed from a pasteboard.
    The display-id argument is the address of an unsigned longword
    that contains the display identifier.
    The display identifier is returned by SMG$CREATE_VIRTUAL_DISPLAY.
 pasteboard-id
    OpenVMS usage:identifier
    type:         longword (unsigned)
    access:       read only
    mechanism:    by reference
    Specifies the pasteboard from which the virtual display is
    removed. The pasteboard-id argument is the address of an unsigned
    longword that contains the pasteboard identifier.