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XmlBinaryReaderSession.TryLookup Method (Int32, XmlDictionaryString%)

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Checks whether the internal collection contains an entry with a specified key.

Namespace:  System.Xml
Assembly:  System.Runtime.Serialization (in System.Runtime.Serialization.dll)

Syntax

'Declaration
Public Function TryLookup ( _
    key As Integer, _
    <OutAttribute> ByRef result As XmlDictionaryString _
) As Boolean
public bool TryLookup(
    int key,
    out XmlDictionaryString result
)

Parameters

Return Value

Type: System.Boolean
true if an entry that matches the key was found; otherwise, false.

Implements

IXmlDictionary.TryLookup(Int32, XmlDictionaryString%)

Exceptions

Exception Condition
ArgumentNullException

key is nulla null reference (Nothing in Visual Basic).

Version Information

Silverlight

Supported in: 5, 4

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.