Call this function to specify a format in which data is offered during data transfer operations.
Use this function if you are not going to supply your data through a CFile object. If you are going to supply the data through a CFile object, call the DelayRenderFileData member function. For more information on delayed rendering as handled by MFC, see the article Data Objects and Data Sources: Manipulation.
For more information, see the FORMATETC structure in the Windows SDK.
For more information, see RegisterClipboardFormat in the Windows SDK.