. - 3GL   - 4GL

OLE, Object Linking and Embedding - , .

1996 Microsoft ActiveX.

OLE . , , OLE-.

OLE ( ) , , , . , .

OLE (. compound documents), (. drag-and-drop), . - ( -), , , , HTML ( ) , (, XML SGML). , OLE , . , , , . , OLE Microsoft Excel, Excel .

OLE 1.0

OLE 1.0 1990 DDE (Dynamic Data Exchange), Microsoft Windows. DDE , OLE .

OLE (. virtual function tables, VTBL). , . OLESVR.DLL ( ) OLECLI.DLL ( ) WM_DDE_EXECUTE, .

OLE 1.1 COM (component object model) . COM DCOM.

OLE , Windows ( bitmap metafile), . OLE , , .

OLE 2.0

OLE 2.0, , . OLE 2.0 COM VTBL. drag-and-drop, in-place activation structured storage.

ActiveX (OLE 3.0)

1996 Microsoft OLE ActiveX. ActiveX, ActiveX Active Scripting. OLE - .

    . - 3GL   - 4GL

, , Inheritance - - - , , (-) (-) . .




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