DDCMDCONTROL

This data structure contains fields for the DDCMD_CONTROL message.

typedef struct _ddcmd_control_parm {
  ULONG       ulFunction;  /*  Function requested. */
  HSTREAM     hStream;     /*  Stream handle. */
  HEVENT      hEvent;      /*  Event handle. */
  ULONG       ulCmd;       /*  Flags. */
  PVOID       pParm;       /*  Pointer to CONTROL_PARM. */
  ULONG       ulParmSize;  /*  See CONTROL_PARM. */
} DDCMDCONTROL;