Discussion of article "Graphics in DoEasy library (Part 92): Standard graphical object memory class. Object property change history"
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New article Graphics in DoEasy library (Part 92): Standard graphical object memory class. Object property change history has been published:
In the article, I will create the class of the standard graphical object memory allowing the object to save its states when its properties are modified. In turn, this allows retracting to the previous graphical object states.
Compile the EA and launch it on the chart. Add the graphical objects, modify their properties and press "/" — the objects will take on the values that were before their first modification. Press "." and "," — the objects will take on the properties and appearance corresponding to the property change history list:
Author: Artyom Trishkin