Diagnosis
The selection frame that you dragged out did not contain the whole ofany one element.

System Response
No elements have been selected.

Procedure
Drag out the selection frame so that it includes all of the requiredscreen elements.
Tip: You can extend the selection frame from any corner (that is, inany direction). If elements are close together, it is often easier todefine the selection by starting from a position where there is morespace and extending the selection frame to the edge of the element.