TradeStation EasyLanguage Quick-tip 70

Quick-tip 70 explains, with examples, the use of the persist property in drawing objects. It also explains the use of a boolean variable to flag when a drawing object has been added to the chart and why this variable should be set as an intrabarpersist variable.

See https://markplex.com/free-tutorials/tradestation-easylanguage-quicktips/quick-tip-70-using-intrabarpersist-variables-when-drawing-objects/