[fix] ContentLabel Moved to a nested class to prevent CS0122 in external source generators

src/Controls/src/Core/ContentConverter.cs

@@ -129,21 +129,21 @@ static bool HasTemplateAncestor(ContentPresenter presenter, Type type)
 
 			return false;
 		}
-	}
 
-	// Internal label type used by ContentPresenter to avoid interference from global Label styles.
-	// MAUI resolves implicit styles by looking up Type.FullName as the key in ResourceDictionary,
-	// starting from the element's own Resources and walking up the visual tree (see MergedStyle.RegisterImplicitStyles).
-	// By storing an empty Style keyed to typeof(ContentLabel).FullName in the element's own Resources,
-	// the lookup finds it locally and short-circuits — the global Label style (even with ApplyToDerivedTypes)
-	// is never reached. This keeps properties like TextColor unset, so ShouldSetBinding returns true
-	// and the binding to the templated parent (e.g. RadioButton.TextColor) can be established.
-	internal class ContentLabel : Label
-	{
-		static readonly Style s_style = new Style(typeof(ContentLabel));
-		public ContentLabel()
+		// Internal label type used by ContentPresenter to avoid interference from global Label styles.
+		// MAUI resolves implicit styles by looking up Type.FullName as the key in ResourceDictionary,
+		// starting from the element's own Resources and walking up the visual tree (see MergedStyle.RegisterImplicitStyles).
+		// By storing an empty Style keyed to typeof(ContentLabel).FullName in the element's own Resources,
+		// the lookup finds it locally and short-circuits — the global Label style (even with ApplyToDerivedTypes)
+		// is never reached. This keeps properties like TextColor unset, so ShouldSetBinding returns true
+		// and the binding to the templated parent (e.g. RadioButton.TextColor) can be established.
+		class ContentLabel : Label
 		{
-			Resources = new ResourceDictionary { { typeof(ContentLabel).FullName, s_style } };
+			static readonly Style s_style = new Style(typeof(ContentLabel));
+			public ContentLabel()
+			{
+				Resources = new ResourceDictionary { { typeof(ContentLabel).FullName, s_style } };
+			}
 		}
 	}
 }