diff --git a/Contributors.asciidoc b/Contributors.asciidoc
index ac89dd98..99c61678 100644
--- a/Contributors.asciidoc
+++ b/Contributors.asciidoc
@@ -60,4 +60,5 @@ CONTRIBUTOR LIST
 |John Oberschelp                                                |john at oberschelp.net
 |Sam Kelly (DuroSoft Technologies LLC, https://durosoft.com)    |sam at durosoft.com
 |Tobias Urlaub                                                  |saibotu at outlook.de
+|Francois Karam (KS2, http://www.ks2.fr)                        |francois.karam at ks2.fr
 |===
diff --git a/src/dotnet/FileSystemHost.cs b/src/dotnet/FileSystemHost.cs
index 55a14c2c..4bb9fc26 100644
--- a/src/dotnet/FileSystemHost.cs
+++ b/src/dotnet/FileSystemHost.cs
@@ -194,6 +194,11 @@ namespace Fsp
             get { return 0 != (_VolumeParams.Flags & VolumeParams.PassQueryDirectoryFileName); }
             set { _VolumeParams.Flags |= (value ? VolumeParams.PassQueryDirectoryFileName : 0); }
         }
+        public Boolean FlushAndPurgeOnCleanup
+        {
+            get { return 0 != (_VolumeParams.Flags & VolumeParams.FlushAndPurgeOnCleanup); }
+            set { _VolumeParams.Flags |= (value ? VolumeParams.FlushAndPurgeOnCleanup : 0); }
+        }
         /// <summary>
         /// Gets or sets the prefix for a network file system.
         /// </summary>
@@ -347,6 +352,14 @@ namespace Fsp
         {
             return Api.SetDebugLogFile(FileName);
         }
+        /// <summary>
+        /// Return the installed version of WinFsp.
+        /// </summary>
+        /// <returns></returns>
+        public static Version Version()
+        {
+            return Api.GetFspVersion();
+        }
 
         /* FSP_FILE_SYSTEM_INTERFACE */
         private static Byte[] ByteBufferNotNull = new Byte[0];
diff --git a/src/dotnet/Interop.cs b/src/dotnet/Interop.cs
index c81e9b67..41b65aea 100644
--- a/src/dotnet/Interop.cs
+++ b/src/dotnet/Interop.cs
@@ -43,6 +43,7 @@ namespace Fsp.Interop
         internal const UInt32 PassQueryDirectoryPattern = 0x00000800;
         internal const UInt32 AlwaysUseDoubleBuffering = 0x00001000;
         internal const UInt32 PassQueryDirectoryFileName = 0x00002000;
+        internal const UInt32 FlushAndPurgeOnCleanup = 0x00004000;
         internal const UInt32 UmFileContextIsUserContext2 = 0x00010000;
         internal const UInt32 UmFileContextIsFullContext = 0x00020000;
         internal const int PrefixSize = 192;
@@ -979,6 +980,13 @@ namespace Fsp.Interop
             return 0/*STATUS_SUCCESS*/;
         }
 
+        internal static Version GetFspVersion()
+        {
+            UInt32 Version = 0;
+            FspVersion(out Version);
+            return new System.Version((Int32)Version >> 16, (Int32)Version & 0xFFFF);
+        }
+
         /* initialization */
         private static IntPtr LoadDll()
         {