In computing, Dynamic Data Exchange (DDE) is a technology for interprocess communication used in early versions of Microsoft Windows and OS/2. DDE allows programs to manipulate objects provided by other programs, and respond to user actions affecting those objects.

Object Linking and Embedding (OLE) is a proprietary technology developed by Microsoft that allows embedding and linking to documents and other objects. For developers, it brought OLE Control Extension (OCX), a way to develop and use custom user interface elements.

May 26, 2021 · OLE 1 was built on DDE, which used window messages to notify applications when source data changed, and typically passed data around by using HGLOBAL global memory handles. OLE 2 was built on COM. COM is an language neutral, object-oriented component model and ABI based on DCE RPC.

Aug 19, 2020 · Windows provides several methods for transferring data between applications. One method is to use the Dynamic Data Exchange (DDE) protocol. The DDE protocol is a set of messages and guidelines. It sends messages between applications that share data and uses shared memory to exchange data between applications.

Introduces how to securely open Microsoft Office documents that contain Dynamic Data Exchange (DDE) fields.

In Microsoft Windows applications programming, OLE Automation (later renamed to simply Automation[1][2]) is an inter-process communication mechanism created by Microsoft.

May 4, 2015 · You can set the timeout in your ADO connection object, or in the Access database options. Here's a screenshot from Access 2013. Look for the OLE/DDE timeout under the Client Settings.

In terms of interacting with Excel, OLE Automation/COM replaced the use of DDE. You may want to take a look at VSTO (Visual Studio Tools for Office).

Jan 16, 2023 · Object Linking and Embedding (OLE) is a compound document standard developed by Microsoft Corporation. It enables you to create objects with one application and then link or embed them in a second application.

Object Linking and Embedding (OLE), or the ability to link data between documents, was originally implemented through DDE. Despite being superseded by Component Object Model, DDE may be enabled in Windows 10 and most of Microsoft Office 2016 via Registry keys.