New project to interface with the Microsoft Windows SSPI integration authentication API.

SSPIException.cs

@@ -0,0 +1,53 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace NSspi
+{
+    [Serializable]
+    public class SSPIException : Exception
+    {
+        private int errorCode;
+        private string message;
+
+        public SSPIException( SerializationInfo info, StreamingContext context )
+            : base( info, context )
+        {
+            this.message = info.GetString( "messsage" );
+            this.errorCode = info.GetInt32( "errorCode" );
+        }
+
+        public SSPIException( string message, int errorCode )
+        {
+            this.message = message;
+            this.errorCode = errorCode;
+        }
+
+        public override void GetObjectData( SerializationInfo info, StreamingContext context )
+        {
+            base.GetObjectData( info, context );
+
+            info.AddValue( "message", this.message );
+            info.AddValue( "errorCode", this.errorCode );
+        }
+
+        public int ErrorCode
+        {
+            get
+            {
+                return this.errorCode;
+            }
+        }
+
+        public override string Message
+        {
+            get
+            {
+                return string.Format( "{0}. Error Code = '{1:X}'.", this.message, this.errorCode );
+            }
+        }
+    }
+}