XamlType.LookupIsNullable Method ()

.NET Framework (current version)

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Returns a value that indicates whether this XamlType represents a nullable type, as per the XAML definition.

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

protected virtual bool LookupIsNullable()

Return Value

Type: System.Boolean

true if this XamlType represents a nullable type; otherwise, false.

This method can be invoked by calls to IsNullable.

The default implementation makes a determination based on the CLR core library nullable concept, checked against UnderlyingType. For a null UnderlyingType, it returns true.

Override this method if you want IsNullable to use different logic.

.NET Framework
Available since 4.0
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