Cutting and copying pages
All pages can be cut or copied, and then pasted into a presentation. This 'clipboard
paradigm' is used throughout the application and is discussed in more detail in the
earlier The Clipboard Paradigm (Clipboard class) section.
To copy a page onto a clipboard use:
Clipboard copy()
To cut a page onto a clipboard use:
Clipboard cut()
Pasting shapes and groups
Shape and group objects can be pasted into pages. When a shape or group is
pasted, it will be placed in the same position from which it was cut, and visually
in front of other objects within this page.
To paste a shape or group into a page use:
ShapeOrGroup paste(Clipboard clipboard)
