Flag Mark

Flag Mark is a simple tool for marking points of significance on chart. For example, user can place Flag Marks at high/low price points of a trend:

Style

Flag mark has blue color by default and fixed size. In the Style property dialog, it is possible to change the color of a flag mark:

Coordinates

In the Coordinates properties dialog, you can set precisely the flag mark's position on the price scale (by setting the price) and the time axis (by setting the bar number):

Visibility 

In the Visibility properties dialog, you can switch displaying of a flag mark drawing on charts of different timeframes: