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OLE in MFC
These articles explain the fundamentals of OLE programming using MFC. MFC provides the easiest way to write programs that use OLE:
To use OLE visual editing (in-place activation).
To work as OLE containers or servers.
To implement drag-and-drop functionality.
To work with date and time data.
To manage the state data of MFC modules, including exported DLL function entry points, OLE/COM interface entry points, and window procedure entry points.
The term OLE denotes the technologies associated with linking and embedding, including OLE containers, OLE servers, OLE items, in-place activation (or visual editing), trackers, drag and drop, and menu merging. The term Active applies to the Component Object Model (COM) and COM-based objects such as ActiveX controls. OLE Automation is now called Automation.