Convert a reference value to false if the value is null or to true otherwise. When Inverted is true the sense is reversed.

Syntax

Visual Basic (Declaration)
Public Class NullBooleanConverter Inherits Converter Implements IValueConverter

C#
public class NullBooleanConverter : Converter, IValueConverter

Remarks

Typically you will create an instance of this as a resource. For example, one possible use of this converter:

            <go:NullBooleanConverter x:Key="theNullBooleanConverter" />

              <ComboBox IsEnabled="{Binding Path=SelectedNode, ElementName=myDiagram, Converter={StaticResource theNullBooleanConverter}}">

When a node is selected, the ComboBox is enabled.

System.Object
Northwoods.GoXam.Converter
Northwoods.GoXam.NullBooleanConverter

Northwoods.GoSilverlight 1.2.2 Assembly
NullBooleanConverter Class
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