You can conveniently select groups of model items.
All items completely inside the frame are selected.
Model items placed independently of one another
The model items you clicked are selected, regardless of where they are placed.
Tip
To clear the selection click a selected model item with the Ctrl key held down.
All/All of this type/All of this kind
All: The entire content of the modeling area is selected.
Invert selection: The selected model item is unselected while all other model items are selected.
All of this type: All objects of the selected type are selected. For example, if you clicked an object of the Event type, all events of this model are selected.
All of this kind: All model items of this kind are selected. For example, if you clicked an object, all objects in the modeling area are selected regardless of their type.
You can use the selection function also for multiple selected model items. Depending on whether the items selected are of the same type or of different types, the menu items are restricted to the relevant ones.
If you have a large number of items and want to exclude just a few from the selection, you can proceed as follows:
Procedure
Now all model items that you did not select before are selected, and the model items you had selected before are no longer selected.