1 files changed, 30 insertions, 0 deletions
diff --git a/src/mscorlib/src/System/Diagnostics/Eventing/TraceLogging/EnumHelper.cs b/src/mscorlib/src/System/Diagnostics/Eventing/TraceLogging/EnumHelper.cs
new file mode 100644
index 0000000000..7a23378bb1
--- /dev/null
+++ b/src/mscorlib/src/System/Diagnostics/Eventing/TraceLogging/EnumHelper.cs
@@ -0,0 +1,30 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+#if EVENTSOURCE_GENERICS
+?using System;
+using System.Reflection;
+
+#if ES_BUILD_STANDALONE
+namespace Microsoft.Diagnostics.Tracing
+#else
+namespace System.Diagnostics.Tracing
+#endif
+{
+    /// <summary>
+    /// Provides support for casting enums to their underlying type
+    /// from within generic context.
+    /// </summary>
+    /// <typeparam name="UnderlyingType">
+    /// The underlying type of the enum.
+    /// </typeparam>
+    internal static class EnumHelper<UnderlyingType>
+    {
+        public static UnderlyingType Cast<ValueType>(ValueType value)
+        {
+            return (UnderlyingType)(object)value;
+        }
+    }
+
+}
+#endif