Paint out a difference minute 2 book of polygonal line of x direction of.
| Call | DclShadeXGap | (X1, x2, y, [pattern1], [pattern2]) |
| X1, x2 | < R (:) > | The x coordinates value (the user coordinates) of 2 broken lines. |
| Y | < R (:) > | The y coordinates value (the user coordinates) of a broken line. |
| Pattern1 | < I > | The pattern number at the time of x1 < x2. |
| Pattern2 | < I > | The pattern number at the time of x1 > x2. |