Change project to use OLE clipboard and IDataObject for accessing clipboard

Currently the project accesses the clipboard using the Delphi VCL Clipboard object and the old procedural clipboard API.

It could be changed to use the OLE clipboard API and IDataObject to read data from the clipboard, pssoibly giving access to a wider range of media types.

The clipboard data's TYMED could be displayed in the list view.

See also issue #1 that suggests using the revised Clipboard Format Viewer component.

Need to decide between these two approaches.

Not to be fixed - project archived