Rotate : Display will get rotated by the unit of 90 degree.
Rotate to 0 : Display will get rotated to 0 degree from the current angle of Rotation.
Rotate to 90 : Display will be rotated 90 degrees from the current angle.
Rotate : Display will get rotated by the unit of 90 degree.
Rotate to 0 : Display will get rotated to 0 degree from the current angle of Rotation.
Rotate to 90 : Display will be rotated 90 degrees from the current angle.
