1 files changed, 36 insertions, 0 deletions
diff --git a/src/Common/src/Interop/Windows/ole32/Interop.CoGetApartmentType.cs b/src/Common/src/Interop/Windows/ole32/Interop.CoGetApartmentType.cs
new file mode 100644
index 000000000..a7aca2ab7
--- /dev/null
+++ b/src/Common/src/Interop/Windows/ole32/Interop.CoGetApartmentType.cs
@@ -0,0 +1,36 @@
+// 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.
+
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+internal static partial class Interop
+{
+    internal enum APTTYPE : uint
+    {
+        APTTYPE_STA = 0x0u,
+        APTTYPE_MTA = 0x1u,
+        APTTYPE_NA = 0x2u,
+        APTTYPE_MAINSTA = 0x3u,
+        APTTYPE_CURRENT = 0xFFFFFFFFu,
+    }
+
+    internal enum APTTYPEQUALIFIER : uint
+    {
+        APTTYPEQUALIFIER_NONE = 0x0u,
+        APTTYPEQUALIFIER_IMPLICIT_MTA = 0x1u,
+        APTTYPEQUALIFIER_NA_ON_MTA = 0x2u,
+        APTTYPEQUALIFIER_NA_ON_STA = 0x3u,
+        APTTYPEQUALIFIER_NA_ON_IMPLICIT_MTA = 0x4u,
+        APTTYPEQUALIFIER_NA_ON_MAINSTA = 0x5u,
+        APTTYPEQUALIFIER_APPLICATION_STA = 0x6u,
+    }
+
+    internal static partial class Ole32
+    {
+        [DllImport(Interop.Libraries.Ole32, ExactSpelling = true)]
+        internal extern static int CoGetApartmentType(out APTTYPE pAptType, out APTTYPEQUALIFIER pAptQualifier);
+    }
+}