# Microsoft.VisualBasic.FileIO

``` diff
 namespace Microsoft.VisualBasic.FileIO {
     public class MalformedLineException : Exception {
-        [EditorBrowsableAttribute(EditorBrowsableState.Advanced)]
-        protected MalformedLineException(SerializationInfo info, StreamingContext context);
+        [EditorBrowsableAttribute(EditorBrowsableState.Never)]
+        [ObsoleteAttribute("This API supports obsolete formatter-based serialization. It should not be called or extended by application code.", DiagnosticId="SYSLIB0051", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
+        protected MalformedLineException(SerializationInfo info, StreamingContext context);
-        [EditorBrowsableAttribute(EditorBrowsableState.Advanced)]
-        public override void GetObjectData(SerializationInfo info, StreamingContext context);
+        [EditorBrowsableAttribute(EditorBrowsableState.Never)]
+        [ObsoleteAttribute("This API supports obsolete formatter-based serialization. It should not be called or extended by application code.", DiagnosticId="SYSLIB0051", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
+        public override void GetObjectData(SerializationInfo info, StreamingContext context);
     }
     public class TextFieldParser : IDisposable {
+        public void Dispose();
-        void IDisposable.Dispose();
     }
 }
```

