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XamlType.LookupKeyType Method

.NET Framework 4.5

.NET Framework 4

Returns a value that provides the type information for the key property of this XamlType, if the XamlType represents a dictionary.

Namespace: System.Xaml
Assembly: System.Xaml (in System.Xaml.dll)

Syntax

C++

protected virtual XamlType LookupKeyType()

Return Value

Type: System.Xaml.XamlType
A XamlType object for the type of the key for dictionary usage, or null if this XamlType does not represent a dictionary,

Remarks

This method can be invoked by calls to KeyType.

The default implementation can use CLR reflection concepts, such as checking for an Add method by MethodInfo and using the ParameterInfo; and checking BaseType and trying the same logic there.

Override this method if you want KeyType to use different logic. Cases where LookupCollectionKind does not return XamlCollectionKind.Dictionary should return null.

Version Information

.NET Framework

Supported in: 4.5, 4

.NET Framework Client Profile

Supported in: 4

Platforms

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.

Reference

XamlType Class

System.Xaml Namespace

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