Make results closer match for existing

Author: GrahamTheCoder

CodeConverter/CSharp/TypeConversionAnalyzer.cs

@@ -378,7 +378,7 @@ private static TypeConversionKind AnalyzeVbConversion(bool alwaysExplicit, IType
             return TypeConversionKind.EnumConversionThenCast;
         }
         if (vbConversion.IsNarrowing) {
-            return TypeConversionKind.DestructiveCast;
+            return vbConversion.IsTypeParameter ? TypeConversionKind.Conversion : TypeConversionKind.DestructiveCast;
         }
         if (alwaysExplicit) {
             return TypeConversionKind.NonDestructiveCast;

CodeConverter/Common/DefaultReferences.cs

@@ -4,6 +4,7 @@
 using System.IO;
 using System.Linq;
 using System.Reflection;
+using System.Threading.Tasks;
 using Microsoft.CodeAnalysis;
 
 namespace ICSharpCode.CodeConverter.Common;
@@ -17,8 +18,8 @@ public static class DefaultReferences
         // ReSharper disable RedundantNameQualifier
         typeof(System.Object),
         typeof(System.Collections.IEnumerable),
-        typeof(IEnumerable<>),
-        typeof(ErrorEventArgs),
+        typeof(System.Collections.Generic.IEnumerable<>),
+        typeof(System.IO.ErrorEventArgs),
         typeof(System.Text.Encoding),
         typeof(System.Linq.Enumerable),
         typeof(System.Console),
@@ -32,7 +33,8 @@ public static class DefaultReferences
         typeof(System.Xml.Linq.XElement),
         typeof(System.Linq.Expressions.Expression),
         typeof(Microsoft.VisualBasic.Constants),
-        typeof(System.Data.SqlClient.SqlCommand)
+        typeof(System.Data.SqlClient.SqlCommand),
+        typeof(System.Threading.Tasks.ParallelOptions)
         // ReSharper restore RedundantNameQualifier
     }.Select(t => t.Assembly).Concat(
         new[] { Assembly.Load("System.Runtime, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a") }