diff --git a/dotnet/IEC61850forCSharp/IEC61850CommonAPI.cs b/dotnet/IEC61850forCSharp/IEC61850CommonAPI.cs
index d5f5bfc7..1e1d8617 100644
--- a/dotnet/IEC61850forCSharp/IEC61850CommonAPI.cs
+++ b/dotnet/IEC61850forCSharp/IEC61850CommonAPI.cs
@@ -1,4 +1,27 @@
-using System;
+/*
+ *  IEC61850CommonAPI.cs
+ *
+ *  Copyright 2014-2017 Michael Zillgith
+ *
+ *  This file is part of libIEC61850.
+ *
+ *  libIEC61850 is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  libIEC61850 is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with libIEC61850.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *  See COPYING file for the complete license text.
+ */
+
+using System;
 using System.Runtime.InteropServices;
 
 namespace IEC61850
diff --git a/dotnet/IEC61850forCSharp/SampledValuesControlBlock.cs b/dotnet/IEC61850forCSharp/SampledValuesControlBlock.cs
new file mode 100644
index 00000000..bf4cd213
--- /dev/null
+++ b/dotnet/IEC61850forCSharp/SampledValuesControlBlock.cs
@@ -0,0 +1,195 @@
+/*
+ *  SampledValuesControlBlock.cs
+ *
+ *  Copyright 2017 Michael Zillgith
+ *
+ *  This file is part of libIEC61850.
+ *
+ *  libIEC61850 is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  libIEC61850 is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with libIEC61850.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *  See COPYING file for the complete license text.
+ */
+using System;
+using System.Runtime.InteropServices;
+using System.Diagnostics;
+
+using IEC61850.Common;
+
+namespace IEC61850
+{
+	namespace Client
+	{
+		/// <summary>
+		/// Sampled values control bloc (SvCB) representation.
+		/// </summary>
+		/// <description>
+		/// This class is used as a client side representation (copy) of a sampled values control block (SvCB).
+		/// </description>
+		public class SampledValuesControlBlock : IDisposable
+		{
+			[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
+			static extern IntPtr ClientSVControlBlock_create (IntPtr iedConnection, string reference);
+
+			[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
+			static extern void ClientSVControlBlock_destroy(IntPtr self);
+
+			[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
+			static extern int ClientSVControlBlock_getLastComError (IntPtr self);
+
+			[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
+			[return: MarshalAs(UnmanagedType.I1)]
+			static extern bool ClientSVControlBlock_isMulticast (IntPtr self);
+
+			[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
+			[return: MarshalAs(UnmanagedType.I1)]
+			static extern bool ClientSVControlBlock_setSvEna (IntPtr self, bool value);
+
+			[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
+			[return: MarshalAs(UnmanagedType.I1)]
+			static extern bool ClientSVControlBlock_setResv (IntPtr self, bool value);
+
+			[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
+			[return: MarshalAs(UnmanagedType.I1)]
+			static extern bool ClientSVControlBlock_getSvEna (IntPtr self);
+
+			[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
+			[return: MarshalAs(UnmanagedType.I1)]
+			static extern bool ClientSVControlBlock_getResv (IntPtr self);
+
+			[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
+			static extern IntPtr ClientSVControlBlock_getMsvID (IntPtr self);
+
+			[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
+			static extern IntPtr ClientSVControlBlock_getDatSet (IntPtr self);
+
+			[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
+			static extern UInt32 ClientSVControlBlock_getConfRev (IntPtr self);
+
+			[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
+			static extern UInt16 ClientSVControlBlock_getSmpRate (IntPtr self);
+
+			[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
+			static extern int ClientSVControlBlock_getOptFlds (IntPtr self);
+
+			[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
+			static extern byte ClientSVControlBlock_getSmpMod(IntPtr self);
+
+			[DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
+			static extern int ClientSVControlBlock_getNoASDU (IntPtr self);
+
+			private IntPtr self;
+			private string objectReference;
+
+			private bool isDisposed = false;
+
+
+			internal SampledValuesControlBlock(IntPtr iedConnection, string objectReference)
+			{
+				self = ClientSVControlBlock_create (iedConnection, objectReference);
+				this.objectReference = objectReference;
+			}
+
+			public string GetObjectReference ()
+			{
+				return this.objectReference;
+			}
+
+			public IedClientError GetLastComError()
+			{
+				return (IedClientError)ClientSVControlBlock_getLastComError (self);
+			}
+
+			public bool IsMulticast()
+			{
+				return ClientSVControlBlock_isMulticast (self);
+			}
+
+			public bool GetResv()
+			{
+				return ClientSVControlBlock_getResv (self);
+			}
+
+			public bool SetResv(bool value)
+			{
+				return ClientSVControlBlock_setResv (self, value);
+			}
+
+			public bool GetSvEna()
+			{
+				return ClientSVControlBlock_getSvEna (self);
+			}
+
+			public bool SetSvEna(bool value)
+			{
+				return ClientSVControlBlock_setSvEna (self, value);
+			}
+
+			public string GetMsvID ()
+			{
+				IntPtr msvIdPtr = ClientSVControlBlock_getMsvID (self);
+
+				return Marshal.PtrToStringAnsi (msvIdPtr);
+			}
+
+			public string GetDatSet ()
+			{
+				IntPtr datSetPtr = ClientSVControlBlock_getDatSet (self);
+
+				return Marshal.PtrToStringAnsi (datSetPtr);
+			}
+
+			public UInt32 GetConfRev ()
+			{
+				return ClientSVControlBlock_getConfRev (self);
+			}
+
+			public UInt16 GetSmpRate ()
+			{
+				return ClientSVControlBlock_getSmpRate (self);
+			}
+
+			public SVOptions GetOptFlds ()
+			{
+				return (SVOptions)ClientSVControlBlock_getOptFlds (self);
+			}
+
+			public SmpMod GetSmpMod ()
+			{
+				return (SmpMod)ClientSVControlBlock_getSmpMod (self);
+			}
+
+			public int GetNoASDU ()
+			{
+				return ClientSVControlBlock_getNoASDU (self);
+			}
+
+			public void Dispose()
+			{
+				if (isDisposed == false) {
+					isDisposed = true;
+					ClientSVControlBlock_destroy (self);
+					self = IntPtr.Zero;
+				}
+			}
+
+			~SampledValuesControlBlock()
+			{
+				Dispose ();
+			}
+
+		}
+
+
+	}
+}