/* x is to the right, y is to up(!!!). The Logical unit is 0.001 inch. So, if the width of line is 1, your will see the width of line is 0.001 inch on any device.
P.S.
1). There is no printer in my office so that I'm not sure it can work. (It should be fine :-)
2). U can know more in the Chapter 5 (Basic Drawing) from <<Programming Windows, 5TH>>. */