System.Object
   System.Windows.Markup.MarkupExtension
      Concept.Utils.Wpf.BaseMultiConverterMarkupExtension
         Concept.Components.Wpf.CurrentElementToVisibilityConverter
         Concept.Components.Wpf.HasProjectErrorToVisibilityConverter
         Concept.Components.Wpf.IsLoadedToImageViewToVisibilityConverter
         Concept.Components.Wpf.ProjectManagerInEditionOrLoadedToVisibilityConverter
         Concept.Model.Wpf.DisplayedCategoryToVisibilityConverter
         Concept.Model.Wpf.ItemsCountReadOnlyAndShowToVisibilityConverter
         Concept.Utils.Wpf.LimitedTimeSpanToStringConverter
         Concept.Utils.Wpf.ReadOnlyPropertiesToBooleanConverter
         Concept.Utils.Wpf.ReadOnlyPropertiesToVisibilityConverter
         Concept.Utils.Wpf.SameObjectsToBoolConverter

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

BaseMultiConverterMarkupExtension Members
Concept.Utils.Wpf Namespace