Corrected when the native class also implements an interface.

Author: dlemstra

tools/Magick.NET.SourceGenerator/NativeInterop/NativeInteropInfo.cs

@@ -24,8 +24,8 @@ public NativeInteropInfo(SemanticModel semanticModel, SyntaxNode syntaxNode)
             .Select(method => new MethodInfo(semanticModel, method))
             .ToList();
 
-        var isNativeInstance = _class.BaseList?.Types.ToString() == "NativeInstance";
-        var isConstNativeInstance = _class.BaseList?.Types.ToString() == "ConstNativeInstance";
+        var isNativeInstance = _class.BaseList?.Types.Any(type => type.ToString() == "NativeInstance") ?? false;
+        var isConstNativeInstance = _class.BaseList?.Types.Any(type => type.ToString() == "ConstNativeInstance") ?? false;
         HasDispose = isNativeInstance;
         HasInstance = isNativeInstance || isConstNativeInstance;