numLines = h/self.charHeight
x, y = self.log.PositionToXY(self.log.GetLastPosition())
self.log.ShowPosition(self.log.XYToPosition(x, y-numLines+1))
numLines = h/self.charHeight
x, y = self.log.PositionToXY(self.log.GetLastPosition())
self.log.ShowPosition(self.log.XYToPosition(x, y-numLines+1))