mcs/class/referencesource/System.Activities.Presentation/System.Activities.Presentation/System/Activities/Presentation/Base/Core/Internal/PropertyEditing/FromExpression/Framework/Data/VisibilityOrConverter.cs

   1 // -------------------------------------------------------------------
   2 // Copyright (c) Microsoft Corporation. All Rights Reserved.
   3 // -------------------------------------------------------------------
   4
   5 //Cider comment:
   6 //  - This file also had a VisibilityOrConverter but we are not using it so I removed it
   7
   8 //From \\authoring\Sparkle\Source\1.0.1083.0\Common\Source\Framework\Data
   9 namespace System.Activities.Presentation.Internal.PropertyEditing.FromExpression.Framework.Data
  10 {
  11     using System;
  12     using System.Windows.Data;
  13     using System.Windows;
  14     using System.Globalization;
  15     using System.Diagnostics.CodeAnalysis;
  16     using System.Activities.Presentation;
  17
  18     [SuppressMessage("Microsoft.Performance", "CA1812:AvoidUninstantiatedInternalClasses")]
  19     internal class VisibilityAndConverter : IMultiValueConverter
  20     {
  21         // IMultiValueConverter Members
  22         public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
  23         {
  24             foreach (object value in values)
  25             {
  26                 if (!(value is Visibility) || ((Visibility)value) != Visibility.Visible)
  27                 {
  28                     return Visibility.Collapsed;
  29                 }
  30             }
  31
  32             return Visibility.Visible;
  33         }
  34
  35         public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
  36         {
  37             throw FxTrace.Exception.AsError(new NotImplementedException(ExceptionStringTable.MethodOrOperationIsNotImplemented));
  38         }
  39     }
  40 }