A component regroups various 4D objects (tables, project methods, forms, menu bars, variables.) representing one or more additional functions. Developing a 4D component providing electronic mail functionality is one such example. A component is autonomous and must be able to be installed in any 4D structure. Components are defined, generated, and installed with the help of 4D Insider. The component definition is based on the cross-references analysis performed by 4D Insider (target objects and source objects). Unlike libraries and groups, the components embed the idea of security of objects that they compose. During the development phase of the component, each object is attributed an access type, "Public", "Protected" or "Private" . This attribute determines whether the object will be visible or modifiable in 4th Dimension and in 4D Insider once the component is installed within the 4D database.
Weitere Informationen im Handbuch zum 4D Insider: Managing 4D Components
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