Sets the new type, style, width and color for a given indicator line.
[in] Line index. Must lie between 0 and 7.
[in] Shape style. Can be one of Drawing shape styles listed.
[in] Drawing style. It is used for one-pixel thick lines. It can be one of the Drawing shape styles listed. EMPTY value means that the style will not be changed.
[in] Line width. Valid values are: 1,2,3,4,5. EMPTY value means that width will not be changed.
[in] Line color. Absence of this parameter means that the color will not be changed.