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In Microsoft Windows applications programming, OLE Automation (later renamed to simply Automation [1] [2]) is an inter-process communication mechanism created by Microsoft.It is based on a subset of Component Object Model (COM) that was intended for use by scripting languages – originally Visual Basic – but now is used by several languages on Windows.
Dynamic Data Exchange was first introduced in 1987 with the release of Windows 2.0 as a method of interprocess communication so that one program could communicate with or control another program, somewhat like Sun's RPC (Remote Procedure Call). [1]
OLE Automation is an inter-process communication mechanism developed by Microsoft that is based on a subset of the Component Object Model (COM). This mechanism enables, among other things, the invocation of program functions, the querying and setting of attributes and the interception of component events.
The OPC specification was based on the OLE, COM, and DCOM technologies developed by Microsoft Corporation for the Microsoft Windows operating system family. The specification defined a standard set of objects, interfaces e.g. IDL and methods for use in process control and manufacturing automation applications to facilitate interoperability.
Component Object Model (COM) is a binary-interface technology for software components from Microsoft that enables using objects in a language-neutral way between different programming languages, programming contexts, processes and machines.
WASHINGTON (Reuters) -The outgoing and incoming U.S. presidents had different messages for the Christmas holiday on Wednesday, with Democrat Joe Biden urging Americans to reflect and unite, while ...
3. On the Sign On screen, click the small arrow pointing down to bring up a list of all stored usernames. 4. Select the desired username by clicking on it. Click Continue once you selected the username.
OLE 1.0 later evolved to become an architecture for software components known as the Component Object Model (COM), and later DCOM. When an OLE object is placed on the clipboard or embedded in a document, both a visual representation in native Windows formats (such as a bitmap or metafile ) is stored, as well as the underlying data in its own ...