“Provide a unified interface to a set of interfaces in a subsystem”
- Simplifies the use of a subsystem with a large number of classes
- DataSet in .NET is an example
- Simple Example:
ds.ReadXml(strFilename)
- Complex Example:
XmlParserContext context(null, nsmgr, null, None);
XmlValidatingReader reader(stream, type, context)
ds.ReadXml(reader)
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