Constants which determine the style of the markers displayed by line charts.
The marker style is determined automatically.
The marker is circular.
The marker is a dash.
The marker is diamond-shaped.
The marker is a dot or bullet.
No marker is displayed.
The marker appears as a picture.
The marker appears as a plus sign (+).
The marker appears as a square.
The marker appears as a star.
The marker appears as a triangle.
The marker appears as an 'X'
Constants which determine the style of the markers displayed by line charts.