1 files changed, 73 insertions, 0 deletions

diff --git a/src/WixToolset.Core.Native/Msi/TransformValidations.cs b/src/WixToolset.Core.Native/Msi/TransformValidations.cs
new file mode 100644
index 00000000..52bddeaf
--- /dev/null
+++ b/src/WixToolset.Core.Native/Msi/TransformValidations.cs
@@ -0,0 +1,73 @@
+// 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.Native.Msi
+{
+    using System;
+
+    /// <summary>
+    /// The validation to run while applying a transform.
+    /// </summary>
+    [Flags]
+    public enum TransformValidations
+    {
+        /// <summary>
+        /// Do not validate properties.
+        /// </summary>
+        None = 0x0,
+
+        /// <summary>
+        /// Default language must match base database.
+        /// </summary>
+        Language = 0x1,
+
+        /// <summary>
+        /// Product must match base database.
+        /// </summary>
+        Product = 0x2,
+
+        /// <summary>
+        /// Check major version only.
+        /// </summary>
+        MajorVersion = 0x8,
+
+        /// <summary>
+        /// Check major and minor versions only.
+        /// </summary>
+        MinorVersion = 0x10,
+
+        /// <summary>
+        /// Check major, minor, and update versions.
+        /// </summary>
+        UpdateVersion = 0x20,
+
+        /// <summary>
+        /// Installed version &lt; base version.
+        /// </summary>
+        NewLessBaseVersion = 0x40,
+
+        /// <summary>
+        /// Installed version &lt;= base version.
+        /// </summary>
+        NewLessEqualBaseVersion = 0x80,
+
+        /// <summary>
+        /// Installed version = base version.
+        /// </summary>
+        NewEqualBaseVersion = 0x100,
+
+        /// <summary>
+        /// Installed version &gt;= base version.
+        /// </summary>
+        NewGreaterEqualBaseVersion = 0x200,
+
+        /// <summary>
+        /// Installed version &gt; base version.
+        /// </summary>
+        NewGreaterBaseVersion = 0x400,
+
+        /// <summary>
+        /// UpgradeCode must match base database.
+        /// </summary>
+        UpgradeCode = 0x800
+    }
+}