TPUHELP.HLB  —  SET(INPUT_FOCUS_GRAB)
  SET (INPUT_FOCUS_GRAB)

  Specifies the program or learn sequence TPU should execute whenever it
  processes a FocusIn event from DECwindows.

  Syntax

     SET (INPUT_FOCUS_GRAB, SCREEN [, {program_source | NONE}])

  Parameters

     SCREEN               A keyword used for compatibility with future
                          versions of TPU.

     program_source       A string, buffer, range, learn sequence, or
                          program specifying the input focus routine.  If
                          you do not specify this parameter, TPU deletes
                          the current input focus routine; thereafter, your
                          application is not informed when TPU processes
                          a FocusIn event from DECwindows.

     NONE                 A keyword instructing TPU to delete the current
                          input focus routine.
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