Draw error bar of y direction.
| Call | DclDrawYErrorBar | (X, y1, y2, [type], [index], [width]) | 
| X | < R (:) > | The x coordinates value (the user coordinates) of an error bar. | 
| Y1, y2 | < R (:) > | The y coordinates value (the user coordinates) of both ends of an error bar. | 
| Type | < I > | The line type of an error bar. | 
| Index | < I > | The line index of an error bar. | 
| Width | < I > | The width (the regular coordinates system) of an error bar. |