The contents of the Details Pane change according to what is currently selected in the Navigation Pane. When a component is added to a host, it is automatically selected in the Navigation Pane.
Note:    As already described, you need to press 
Commit Changes ( 

 ) before any changes you make to any panel on the Details Pane take effect. The values that are currently in effect are shown within the rightmost grayed out labels.