| Platform SDK: TAPI | 
The TERMINAL_STATE enum describes the current state of a terminal device. This enum is returned by the ITTerminal::get_State method.
typedef enum TERMINAL_STATE
{
  TS_INUSE,
  TS_NOTINUSE
} TERMINAL_STATE;
  Windows NT/2000: Requires Windows 2000.
  Version: Requires TAPI 3.0 or later.
  Header: Declared in Tapi3.h.