diff --git a/dotnet/IEC61850forCSharp/IEC61850ClientAPI.cs b/dotnet/IEC61850forCSharp/IEC61850ClientAPI.cs
index ab051de2..9eacc0c9 100644
--- a/dotnet/IEC61850forCSharp/IEC61850ClientAPI.cs
+++ b/dotnet/IEC61850forCSharp/IEC61850ClientAPI.cs
@@ -62,6 +62,13 @@ namespace IEC61850
 			[DllImport ("iec61850", CallingConvention=CallingConvention.Cdecl)]
 			private static extern void MmsServerIdentity_destroy(IntPtr self);
 
+			[DllImport ("iec61850", CallingConvention=CallingConvention.Cdecl)]
+			private static extern void MmsConnection_setLocalDetail (IntPtr self, Int32 localDetail);
+
+			[DllImport ("iec61850", CallingConvention=CallingConvention.Cdecl)]
+			private static extern Int32 MmsConnection_getLocalDetail (IntPtr self);
+
+
 			private IntPtr self = IntPtr.Zero;
 			private bool selfDestroy = false;
 
@@ -100,6 +107,14 @@ namespace IEC61850
 				return serverIdentity;
 			}
 
+			public void SetLocalDetail(int localDetail) {
+				MmsConnection_setLocalDetail (self, localDetail);
+			}
+
+			public int GetLocalDetail() {
+				return MmsConnection_getLocalDetail (self);
+			}
+
 		}
 
 		/// <summary>
diff --git a/dotnet/example3/Main.cs b/dotnet/example3/Main.cs
index 5247bd31..343efc8d 100644
--- a/dotnet/example3/Main.cs
+++ b/dotnet/example3/Main.cs
@@ -28,8 +28,12 @@ namespace example3
 
 				con.ConnectTimeout = 10000;
 
+				con.GetMmsConnection().SetLocalDetail(1200);
+
                 con.Connect(hostname, 102);
 
+				Console.WriteLine("Negotiated PDU size: " + con.GetMmsConnection().GetLocalDetail());
+
                 List<string> serverDirectory = con.GetServerDirectory(false);
 
                 foreach (string entry in serverDirectory)