Among the dozens of examples of how to work with charts, there is a method of manual marking a template. Trend lines, channels, support/resistance levels, etc. are imposed in a chart. Surely, there are some special programs for this kind of work. Everyone decides on his/her own which method to use. In this article, I offer you for your consideration the methods of manual marking with subsequent automating some elements of the repeated routine actions.
HTML is nowadays one of the wide-spread types of documents. MetaTrader 4 Client Terminal allows you to save statements, test and optimization reports as .htm files. It is sometimes necessary to get information from such files in an MQL4 program. The article describes one of variations of how to get the tag structure and contents from HTML.