1 files changed, 55 insertions, 0 deletions

diff --git a/src/WixToolset.Core.Native/Ole32/StorageMode.cs b/src/WixToolset.Core.Native/Ole32/StorageMode.cs
new file mode 100644
index 00000000..24b60e4d
--- /dev/null
+++ b/src/WixToolset.Core.Native/Ole32/StorageMode.cs
@@ -0,0 +1,55 @@
+// 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.Ole32
+{
+    /// <summary>
+    /// Specifies the access mode to use when opening, creating, or deleting a storage object.
+    /// </summary>
+    internal enum StorageMode
+    {
+        /// <summary>
+        /// Indicates that the object is read-only, meaning that modifications cannot be made.
+        /// </summary>
+        Read = 0x0,
+
+        /// <summary>
+        /// Enables you to save changes to the object, but does not permit access to its data.
+        /// </summary>
+        Write = 0x1,
+
+        /// <summary>
+        /// Enables access and modification of object data.
+        /// </summary>
+        ReadWrite = 0x2,
+
+        /// <summary>
+        /// Specifies that subsequent openings of the object are not denied read or write access.
+        /// </summary>
+        ShareDenyNone = 0x40,
+
+        /// <summary>
+        /// Prevents others from subsequently opening the object in Read mode.
+        /// </summary>
+        ShareDenyRead = 0x30,
+
+        /// <summary>
+        /// Prevents others from subsequently opening the object for Write or ReadWrite access.
+        /// </summary>
+        ShareDenyWrite = 0x20,
+
+        /// <summary>
+        /// Prevents others from subsequently opening the object in any mode.
+        /// </summary>
+        ShareExclusive = 0x10,
+
+        /// <summary>
+        /// Opens the storage object with exclusive access to the most recently committed version.
+        /// </summary>
+        Priority = 0x40000,
+
+        /// <summary>
+        /// Indicates that an existing storage object or stream should be removed before the new object replaces it.
+        /// </summary>
+        Create = 0x1000,
+    }
+}