1 files changed, 16 insertions, 0 deletions
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetTempFileNameW.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetTempFileNameW.cs
new file mode 100644
index 0000000000..36673895b4
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetTempFileNameW.cs
@@ -0,0 +1,16 @@
+// 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.Text;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+    internal partial class Kernel32
+    {
+        [DllImport(Libraries.Kernel32, CharSet = CharSet.Unicode, SetLastError = true, BestFitMapping = false)]
+        internal static extern uint GetTempFileNameW(string tmpPath, string prefix, uint uniqueIdOrZero, [Out]StringBuilder tmpFileName);
+    }
+}