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本帖最后由 RGX 于 2019-11-19 14:03 编辑
DDE 是Windows上程序之间进行通信的一种比较古老的技术,说简单点就是程序间进行交流互动的一种技术。这里学习的范围可大可小,你得结合你的目的去学。一方面你可以学习程序设计中关于DDE技术的原理和实现,另一方面具体到Matalab和TracePRO中要结合这两者的帮助材料学习其使用方式。
关于DDE的知识具体参见Wikipeida: https://en.wikipedia.org/wiki/Dynamic_Data_Exchange
In computing, Dynamic Data Exchange (DDE) is a technology for interprocess communication used in early versions of Microsoft Windows or OS/2. DDE allows programs to manipulate objects provided by other programs (for example, a cell in an embedded Microsoft Excel spreadsheet), and respond to user actions affecting those objects. Internally, DDE is implemented in terms of Windows' message-passing architecture, which leaves it vulnerable to malformed third-party programs. DDE is partially superseded by Object Linking and Embedding (OLE), and is currently maintained in Windows systems only for the sake of backwards compatibility. |
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