
''' <summary>
''' Value converter that translates true to false and vice versa.
''' </summary>
Public NotInheritable Class BooleanNegationConverter
    Implements IValueConverter
    Public Function Convert(value As Object, targetType As Type, parameter As Object, language As String) As Object Implements IValueConverter.Convert
        Return Not (TypeOf value Is Boolean AndAlso CType(value, Boolean))
    End Function

    Public Function ConvertBack(value As Object, targetType As Type, parameter As Object, language As String) As Object Implements IValueConverter.ConvertBack
        Return Not (TypeOf value Is Boolean AndAlso CType(value, Boolean))
    End Function
End Class