Difference between revisions of "Documentation/DevGuide/FirstSteps/Struct"
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|NextPage=Documentation/DevGuide/FirstSteps/Any | |NextPage=Documentation/DevGuide/FirstSteps/Any | ||
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{{DISPLAYTITLE:Struct}} | {{DISPLAYTITLE:Struct}} | ||
| − | Structs in the {{ | + | Structs in the {{OOo}} 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 <code>get()</code> and <code>set()</code> calls back and forth. In particular, this has advantages for remote communication. | While structs do not encapsulate data, they are easier to transport as a whole, instead of marshaling <code>get()</code> and <code>set()</code> calls back and forth. In particular, this has advantages for remote communication. | ||
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</source> | </source> | ||
| − | In Java, C++ and {{ | + | In Java, C++ and {{OOo}} Basic, the keyword <code>new</code> instantiates structs. In OLE automation, use <idl>com.sun.star.reflection.CoreReflection</idl> to get a UNO struct. Do not use the service manager to create structs. |
<source lang="java"> | <source lang="java"> | ||
//In Java: | //In Java: | ||
| − | com.sun.star.beans.PropertyValue aProperty = new com.sun.star.beans.PropertyValue(); | + | com.sun.star.beans.PropertyValue aProperty |
| + | = new com.sun.star.beans.PropertyValue(); | ||
</source> | </source> | ||
| + | |||
| + | |||
<source lang="vb"> | <source lang="vb"> | ||
| − | 'In | + | 'In OpenOffice.org Basic |
Dim aProperty as new com.sun.star.beans.PropertyValue | Dim aProperty as new com.sun.star.beans.PropertyValue | ||
</source> | </source> | ||
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{{PDL1}} | {{PDL1}} | ||
| − | [[Category:Documentation/ | + | [[Category:Documentation/Developer's Guide/First Steps]] |
Revision as of 09:17, 18 May 2009
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.org Basic Dim aProperty as new com.sun.star.beans.PropertyValue
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