This UI Procedure allows users to select contexts, variables, functions and events using a convenient tree-like graphical component. For example, it is used by Drag and Drop actions that are launched without actually dragging and dropping -- it lets the user select a context to be used as "dropped" one.
In AggreGate Client, selection is performed using the Entities Selector component:
Grouping Support
This UI Procedure supports action grouping. With action grouping, it is possible to apply the same entity selection to all actions in the group.
In AggreGate Client, the Entities Selector dialog contains an additional All button in this case:
