Struct

OpenOffice.org Developer's Guide

First Steps

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• Programming with UNO
• Fields of Application for UNO
• Getting Started

• Installation Sets
• Configuration
• First Contact

• How to get Objects in OpenOffice.org
• Working with Objects

• Objects, Interfaces, and Services
• Using Services
• Example: Working with a Spreadsheet Document
• Common Types
• Struct
• Any
• Sequence
• Element Access

• How do I know Which Type I Have?
• Example: Hello Text, Hello Table, Hello Shape

• Common Mechanisms for Text, Tables and Drawings
• Creating Text, Tables and Drawing Shapes

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Structs in the Apache OpenOffice API are used to create compounds of other UNO types. They correspond to C structs or Java classes consisting of public member variables only. While structs do not encapsulate data, they are easier to transport as a whole, instead of marshaling get() and set() calls back and forth. In particular, this has advantages for remote communication.

You gain access to struct members through the . (dot) operator as in

  aProperty.Name = "ReadOnly";

In Java, C++ and Apache OpenOffice Basic, the keyword new instantiates structs. In OLE automation, use com.sun.star.reflection.CoreReflection to get a UNO struct. Do not use the service manager to create structs.

  //In Java:
  com.sun.star.beans.PropertyValue aProperty 
             = new com.sun.star.beans.PropertyValue();

  'In OpenOffice Basic
  Dim aProperty as new com.sun.star.beans.PropertyValue

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