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31 lines
2.3 KiB
Markdown
31 lines
2.3 KiB
Markdown
---
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title: LINQ to XML dynamic properties reference
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ms.date: 10/22/2019
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ms.topic: reference
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---
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# LINQ to XML dynamic properties
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This section provides reference information about the dynamic properties in LINQ to XML. Specifically, these properties are exposed by the <xref:System.Xml.Linq.XAttribute> and <xref:System.Xml.Linq.XElement> classes, which are in the <xref:System.Xml.Linq> namespace.
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As explained in the topic [Overview of WPF data binding with LINQ to XML](wpf-data-binding-with-linq-to-xml-overview.md), each of the dynamic properties is equivalent to a standard public property or method in the same class. These standard members should be used for most purposes; dynamic properties are provided specifically for LINQ to XML data binding scenarios. For more information about the standard members of these classes, see the <xref:System.Xml.Linq.XAttribute> and <xref:System.Xml.Linq.XElement> reference topics.
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With respect to their resolved values, the dynamic properties in this section fall into two categories:
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- Simple ones, such as the `Value` properties in the <xref:System.Xml.Linq.XAttribute> and <xref:System.Xml.Linq.XElement> classes, that resolve to a single value.
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- Indexed values, such as the [Elements](elements-xelement-dynamic-property.md) and [Descendants](descendants-xelement-dynamic-property.md) properties of <xref:System.Xml.Linq.XElement>, that resolve into an indexer type. For indexer types to be resolved to the desired value or collection, an expanded name parameter must be passed to them.
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All the dynamic properties that return an indexed value of type <xref:System.Collections.Generic.IEnumerable%601> use deferred execution. For more information about deferred execution, see [Introduction to LINQ queries (C#)](/dotnet/csharp/programming-guide/concepts/linq/introduction-to-linq-queries).
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## Reference
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- <xref:System.Xml.Linq>
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- <xref:System.Xml.Linq.XElement?displayProperty=fullName>
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- <xref:System.Xml.Linq.XAttribute?displayProperty=fullName>
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## See also
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- [WPF data binding with LINQ to XML](wpf-data-binding-with-linq-to-xml-overview.md)
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- [WPF data binding with LINQ to XML overview](wpf-data-binding-with-linq-to-xml-overview.md)
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- [Introduction to LINQ queries (C#)](/dotnet/csharp/programming-guide/concepts/linq/introduction-to-linq-queries)
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