Ctrl+Delete
or select Edit | Delete from Model in Menu Bar or Delete from Model in Context Menu.x
mark) of a diagram in Working Diagrams or press F4
or select View | Close Diagram in Menu Bar.Ctrl+F4
or select View | Close Other Diagrams in Menu Bar.Shift+F4
or select View | Close All Diagrams in Menu Bar.Ctrl+Shift+]
or select View | Next Diagram.Ctrl+Shift+[
or select View | Previous Diagram.