Selection Manager

This dialog belongs to a general group of selection dialogs where you can select elements from the available contents and add them to a certain destination scope. All Selection Manager dialogs have a similar structure and varying title strings.

Dialog title:	The title of the dialog varies depending on the way it is invoked. It displays the string that corresponds to the invoking object or property.
Model Elements tab or Diagram elements tab:	The pane on the left of the dialog displays the content available in your project. You can use the explorer to navigate to the element and select it for inclusion in the pane of values returned by the dialog to the invoking object.
Existing and/or ready to add:	This pane displays two kinds of data: Values already existing and passed from the invoking object, if any. Values of the selections you have added from the left-hand pane, if any.
Add:	Enabled when an element is selected in the left-hand pane. Adds the selected element to the right-hand pane.
Remove:	Enabled when you select an item in the right-hand pane. Removes the selected item from the pane. All removed values or objects are removed from the invoking property or diagram upon clicking OK.
Remove All:	Enabled when items are present in the right-hand pane. Removes all items from that pane. All removed values or objects are removed from the invoking property or diagram upon clicking OK.