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Rotate to 90 : Display will get rotated to 90 degree from the current angle of Rotation.
Rotate to 180 : Display will get rotated to 180 degree from the current angle of Rotation.
Rotate to 90 : Display will get rotated to 90 degree from the current angle of Rotation.
Rotate to 180 : Display will get rotated to 180 degree from the current angle of Rotation.