1 files changed, 40 insertions, 0 deletions

diff --git a/src/WixToolset.Core.Native/Msi/OpenDatabase.cs b/src/WixToolset.Core.Native/Msi/OpenDatabase.cs
new file mode 100644
index 00000000..18a78f77
--- /dev/null
+++ b/src/WixToolset.Core.Native/Msi/OpenDatabase.cs
@@ -0,0 +1,40 @@
+// 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
+{
+    /// <summary>
+    /// Enum of predefined persist modes used when opening a database.
+    /// </summary>
+    public enum OpenDatabase
+    {
+        /// <summary>
+        /// Open a database read-only, no persistent changes.
+        /// </summary>
+        ReadOnly = 0,
+
+        /// <summary>
+        /// Open a database read/write in transaction mode.
+        /// </summary>
+        Transact = 1,
+
+        /// <summary>
+        /// Open a database direct read/write without transaction.
+        /// </summary>
+        Direct = 2,
+
+        /// <summary>
+        /// Create a new database, transact mode read/write.
+        /// </summary>
+        Create = 3,
+
+        /// <summary>
+        /// Create a new database, direct mode read/write.
+        /// </summary>
+        CreateDirect = 4,
+
+        /// <summary>
+        /// Indicates a patch file is being opened.
+        /// </summary>
+        OpenPatchFile = 32
+    }
+}