Syntax
object.PlaySetWindow( lLeft, lTop, lWidth, lHeight  )

Parameters
lLeft = long, left position of playback window in pixels
lTop = long, top position of playback window in pixels
lWidth = long, width position of playback window in pixels
lHeight = long, height position of playback window in pixels

Result
Manually sets the size and position of the play back window.

See Also

PlayGetHeight - Gets source video height in pixels.
PlayGetWidth - Gets source video width in pixels.