Fix "Show/Hide internal types and members option" for members.

ILSpy/TreeNodes/EventTreeNode.cs

@@ -90,6 +90,8 @@ namespace ICSharpCode.ILSpy.TreeNodes
 
 		public override FilterResult Filter(FilterSettings settings)
 		{
+			if (!settings.ShowInternalApi && !IsPublicAPI)
+				return FilterResult.Hidden;
 			if (settings.SearchTermMatches(EventDefinition.Name) && settings.Language.ShowMember(EventDefinition))
 				return FilterResult.Match;
 			else

ILSpy/TreeNodes/FieldTreeNode.cs

@@ -104,6 +104,8 @@ namespace ICSharpCode.ILSpy.TreeNodes
 
 		public override FilterResult Filter(FilterSettings settings)
 		{
+			if (!settings.ShowInternalApi && !IsPublicAPI)
+				return FilterResult.Hidden;
 			if (settings.SearchTermMatches(FieldDefinition.Name) && settings.Language.ShowMember(FieldDefinition))
 				return FilterResult.Match;
 			else

ILSpy/TreeNodes/MethodTreeNode.cs

@@ -126,6 +126,8 @@ namespace ICSharpCode.ILSpy.TreeNodes
 
 		public override FilterResult Filter(FilterSettings settings)
 		{
+			if (!settings.ShowInternalApi && !IsPublicAPI)
+				return FilterResult.Hidden;
 			if (settings.SearchTermMatches(MethodDefinition.Name) && settings.Language.ShowMember(MethodDefinition))
 				return FilterResult.Match;
 			else

ILSpy/TreeNodes/PropertyTreeNode.cs

@@ -158,6 +158,8 @@ namespace ICSharpCode.ILSpy.TreeNodes
 
 		public override FilterResult Filter(FilterSettings settings)
 		{
+			if (!settings.ShowInternalApi && !IsPublicAPI)
+				return FilterResult.Hidden;
 			if (settings.SearchTermMatches(PropertyDefinition.Name) && settings.Language.ShowMember(PropertyDefinition))
 				return FilterResult.Match;
 			else