![]() ![]() Cool stuff.Īt this stage, I didn’t find a way to access other data from this namespace: HatchPatterns is the only class with a static Instance property that provides access to it. This capability is known internally as the BOL or Bindable Object Layer. What’s nice is the data changes when the connected database does: whether relevant items are added to, edited in or removed from the database, or the user changes the currently active drawing in the editor, the data made accessible is adjusted accordingly. Apparently it was introduced to provide simplified access to data that needs to be displayed in the AutoCAD user interface: we expose this data through to make it simpler to implement the ribbon without having to iterate database objects there directly. I was curious about this namespace and so asked around to find out more about its origins.
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