MarkerVertical Class
The MarkerVertical class represents a VERTICAL marker on a graph. It can be used to customize vertical marker style and options.
Some attributes can be read and changed with get and set :
datalock: Whether the marker value will be restrained to data range.labelorient: The label orientation (HORIZONTAL or VERTICAL).labelside: The label side (LEFT/RIGHT).linecolor: The marker line color.lineorder: The position of the line elements with respect to the data lines, one of ABOVE or BELOW, before.linestyle: The marker line style (SOLID, DOTTED, DASHED).linewidth: The marker line width.value: The X position of the marker line (a dataset x value).ylabelposition: The Y position of the marker text (a dataset y value).