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DXGI_MODE_ROTATION
public enum DisplayModeRotation
Identity = 1DXGI_MODE_ROTATION_IDENTITY
Rotate180 = 3DXGI_MODE_ROTATION_ROTATE180
Rotate270 = 4DXGI_MODE_ROTATION_ROTATE270
Rotate90 = 2DXGI_MODE_ROTATION_ROTATE90
Unspecified = 0DXGI_MODE_ROTATION_UNSPECIFIED