1 files changed, 30 insertions, 0 deletions

diff --git a/src/WixToolset.Core/LinkerWarnings.cs b/src/WixToolset.Core/LinkerWarnings.cs
new file mode 100644
index 00000000..0eca090e
--- /dev/null
+++ b/src/WixToolset.Core/LinkerWarnings.cs
@@ -0,0 +1,30 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+
+namespace WixToolset.Core
+{
+    using WixToolset.Data;
+
+    internal static class LinkerWarnings
+    {
+        public static Message LayoutPayloadInContainer(SourceLineNumber sourceLineNumbers, string payloadId, string containerId)
+        {
+            return Message(sourceLineNumbers, Ids.LayoutPayloadInContainer, "The layout-only Payload '{0}' is being added to Container '{1}'. It will not be extracted during layout.", payloadId, containerId);
+        }
+
+        public static Message PayloadInMultipleContainers(SourceLineNumber sourceLineNumbers, string payloadId, string containerId1, string containerId2)
+        {
+            return Message(sourceLineNumbers, Ids.PayloadInMultipleContainers, "The Payload '{0}' can't be added to Container '{1}' because it was already added to Container '{2}'.", payloadId, containerId1, containerId2);
+        }
+
+        private static Message Message(SourceLineNumber sourceLineNumber, Ids id, string format, params object[] args)
+        {
+            return new Message(sourceLineNumber, MessageLevel.Warning, (int)id, format, args);
+        }
+
+        public enum Ids
+        {
+            LayoutPayloadInContainer = 6900,
+            PayloadInMultipleContainers = 6901,
+        } // last available is 6999. 7000 is LinkerErrors.
+    }
+}