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XmlReader.ReadToDescendant Method (String, String)

Advances the XmlReader to the next descendant element with the specified local name and namespace URI.

Namespace:  System.Xml
Assembly:  System.Xml (in System.Xml.dll)
'Declaration
Public Overridable Function ReadToDescendant ( _
	localName As String, _
	namespaceURI As String _
) As Boolean

Parameters

localName
Type: System.String

The local name of the element you wish to move to.

namespaceURI
Type: System.String

The namespace URI of the element you wish to move to.

Return Value

Type: System.Boolean
true if a matching descendant element is found; otherwise false. If a matching child element is not found, the XmlReader is positioned on the end tag (NodeType is XmlNodeType.EndElement) of the element.
If the XmlReader is not positioned on an element when ReadToDescendant was called, this method returns false and the position of the XmlReader is not changed.
ExceptionCondition
InvalidOperationException

An XmlReader method was called before a previous asynchronous operation finished. In this case, InvalidOperationException is thrown with the message “An asynchronous operation is already in progress.”

ArgumentNullException

Both parameter values are Nothing.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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