Clipboard: When to Use Each Clipboard Mechanism
Follow these guidelines in using the Clipboard:
Use the OLE Clipboard mechanism now to enable new capabilities in the future. While the standard Clipboard API will be maintained, the OLE mechanism is the future of data transfer.
Use the OLE Clipboard mechanism if you are writing an OLE application or you want any of the OLE features, such as drag and drop.
Use the OLE Clipboard mechanism if you are providing OLE formats.