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Currently events are handled very bad since everything is subscribed to everything (Project explorer to Model.DataItems.Added/Removed, Folder.DataItems.Added/Removed, etc.). As result it makes things very difficult to manage when objects are added / removed. Especially when these subsciption happen in external plugins (HABITAT, Verkenner...).
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Allowed Subscription of events
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{flowchart}"SomeHighLevelType" -> "IEventedList<SomeType>" -> "SomeType"{flowchart} |
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{flowchart}
"Gui Form containing instance of SomeType" -> "SomeType"
{flowchart} |
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Anti-Pattern
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In general the rule is: when you need to Subscribe / Unsubscribe frequently to events - you have to review your design of how event subscription is organized.
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