NullBooleanConverter Class

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)
C#

Public Class NullBooleanConverter 
   Inherits Converter
   Implements System.Windows.Data.IValueConverter

public class NullBooleanConverter : Converter, System.Windows.Data.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.

Inheritance Hierarchy

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

Requirements

Reference

NullBooleanConverter Members
Northwoods.GoXam Namespace