Modify the Document View

Change the Layout of a Document

Change the Aspect Ratio of a Document

Invert, Rotate, or Magnify a Document

Display or Hide Gridlines in a Document

Play a Multimedia Document

  • To determine whether a multimedia document can be played, use the VAPIMWP_VIEW_CANPLAY message.

  • To play a multimedia document, use the VAPIMWP_VIEW_PLAY message.

  • To determine whether the playing of a multimedia document can be paused, use the VAPIMWP_VIEW_CANPAUSE message.

  • To pause the playing of a multimedia document, use VAPIMWP_VIEW_PAUSE .

  • To determine whether the playing of a multimedia document can be stopped, use the VAPIMWP_VIEW_CANSTOP message.

  • To stop the playing of a multimedia document, use the VAPIMWP_VIEW_STOP message.

  • To get the play mode (that is, to stop or loop at the end of a multimedia document after playing it), use the VAPIMWP_VIEW_GETPLAYMODE message.

  • To set the play mode of a multimedia document to stop at the end after playing it, use the VAPIMWP_VIEW_END message.

  • To set the play mode of a multimedia document to loop at the end after playing it, use the VAPIMWP_VIEW_LOOP message.