Chapter 20. Object Linking and Embedding

Bruce Armstrong

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Objectives

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The OLE Environment

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OLE Custom Controls

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OLE Automation

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OLEStream and OLEStorage

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Objectives

Using Object Linking and Embedding (OLE) from PowerBuilder, whether in OLE Automation or through the use of ActiveX controls, has long been a source of frustration for many PowerBuilder developers. There are several reasons for this:

  • Many developers lack a full understanding of OLE.

  • Little documentation and practical examples of using OLE with PowerBuilder exist.

  • Some limitations are inherent in the method by which PowerBuilder implements ...

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