SWPGETKEY
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  Function : Enable / Disable waiting for a keypress before restoring
             the parent image.

  Syntax   : lValue = SWPGETKEY(lFlag)

  Return   : The previous setting

  Default  : Disabled

  This function enables / disables waiting for a keystroke by the swap
  system before reloading parent process. The video mode will be restored
  after the keypress (if saving of the video mode is enabled).  This
  function can be used to pause with a graphics image displayed.

  Example  :
  SWPGETKEY(.T.)      && wait for keypress
  SWPVIDMDE(.T.)
  SWPRUNCMD("SHOWIMG NICEONE.IMG",0,"","")