1 files changed, 72 insertions, 0 deletions
diff --git a/src/mscorlib/corefx/Interop/Windows/mincore/Interop.SetFileInformationByHandle.cs b/src/mscorlib/corefx/Interop/Windows/mincore/Interop.SetFileInformationByHandle.cs
new file mode 100644
index 0000000000..0519219132
--- /dev/null
+++ b/src/mscorlib/corefx/Interop/Windows/mincore/Interop.SetFileInformationByHandle.cs
@@ -0,0 +1,72 @@
+// 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 Microsoft.Win32.SafeHandles;
+using System;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+    internal partial class mincore
+    {
+        [DllImport(Libraries.CoreFile_L1, SetLastError = true)]
+        internal static extern bool SetFileInformationByHandle(SafeFileHandle hFile, FILE_INFO_BY_HANDLE_CLASS FileInformationClass, ref FILE_BASIC_INFO lpFileInformation, uint dwBufferSize);
+
+        // Default values indicate "no change".  Use defaults so that we don't force callsites to be aware of the default values
+        internal unsafe static bool SetFileTime(
+            SafeFileHandle hFile,
+            long creationTime = -1,
+            long lastAccessTime = -1,
+            long lastWriteTime = -1,
+            long changeTime = -1,
+            uint fileAttributes = 0)
+        {
+            FILE_BASIC_INFO basicInfo = new FILE_BASIC_INFO()
+            {
+                CreationTime = creationTime,
+                LastAccessTime = lastAccessTime,
+                LastWriteTime = lastWriteTime,
+                ChangeTime = changeTime,
+                FileAttributes = fileAttributes
+            };
+
+            return SetFileInformationByHandle(hFile, FILE_INFO_BY_HANDLE_CLASS.FileBasicInfo, ref basicInfo, (uint)Marshal.SizeOf<FILE_BASIC_INFO>());
+        }
+
+        internal struct FILE_BASIC_INFO
+        {
+            internal long CreationTime;
+            internal long LastAccessTime;
+            internal long LastWriteTime;
+            internal long ChangeTime;
+            internal uint FileAttributes;
+        }
+
+        internal enum FILE_INFO_BY_HANDLE_CLASS : uint
+        {
+            FileBasicInfo = 0x0u,
+            FileStandardInfo = 0x1u,
+            FileNameInfo = 0x2u,
+            FileRenameInfo = 0x3u,
+            FileDispositionInfo = 0x4u,
+            FileAllocationInfo = 0x5u,
+            FileEndOfFileInfo = 0x6u,
+            FileStreamInfo = 0x7u,
+            FileCompressionInfo = 0x8u,
+            FileAttributeTagInfo = 0x9u,
+            FileIdBothDirectoryInfo = 0xAu,
+            FileIdBothDirectoryRestartInfo = 0xBu,
+            FileIoPriorityHintInfo = 0xCu,
+            FileRemoteProtocolInfo = 0xDu,
+            FileFullDirectoryInfo = 0xEu,
+            FileFullDirectoryRestartInfo = 0xFu,
+            FileStorageInfo = 0x10u,
+            FileAlignmentInfo = 0x11u,
+            FileIdInfo = 0x12u,
+            FileIdExtdDirectoryInfo = 0x13u,
+            FileIdExtdDirectoryRestartInfo = 0x14u,
+            MaximumFileInfoByHandleClass = 0x15u,
+        }
+    }
+}