open-file

   

• (send a-mred:editor-frame open-file name canvas check-save?) -> void
      name : '(), #f, a string, a  mred:edit% object or  mred:pasteboard%
      canvas = (active-canvas) : a  wx:media-canvas% object
      check-save? = (not keep-buffers?) : boolean

  If name is #f, then a new unnamed buffer is created. If name is '(), then the user is asked for a filename. If name is a buffer, then the buffer is displayed in the frame. Otherwise, name must be a string filename. The new buffer is attached to the canvas canvas; if canvas is not specified, the active canvas is used. If check-save? is not #f, then the state of the buffer currently in the canvas is checked before it is replced; the default value for check-save? is #t.