Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/mscorlib/system/argumentnullexception.cs

@@ -0,0 +1,56 @@
+// ==++==
+// 
+//   Copyright (c) Microsoft Corporation.  All rights reserved.
+// 
+// ==--==
+/*=============================================================================
+**
+** Class: ArgumentNullException
+**
+**
+** Purpose: Exception class for null arguments to a method.
+**
+**
+=============================================================================*/
+
+namespace System {
+    
+    using System;
+    using System.Runtime.Serialization;
+    using System.Runtime.Remoting;
+    using System.Security.Permissions;
+    
+    // The ArgumentException is thrown when an argument 
+    // is null when it shouldn't be.
+    // 
+[System.Runtime.InteropServices.ComVisible(true)]
+    [Serializable] public class ArgumentNullException : ArgumentException
+    {
+        // Creates a new ArgumentNullException with its message 
+        // string set to a default message explaining an argument was null.
+       public ArgumentNullException() 
+            : base(Environment.GetResourceString("ArgumentNull_Generic")) {
+                // Use E_POINTER - COM used that for null pointers.  Description is "invalid pointer"
+                SetErrorCode(__HResults.E_POINTER);
+        }
+
+        public ArgumentNullException(String paramName) 
+            : base(Environment.GetResourceString("ArgumentNull_Generic"), paramName) {
+            SetErrorCode(__HResults.E_POINTER);
+        }
+
+        public ArgumentNullException(String message, Exception innerException) 
+            : base(message, innerException) {
+            SetErrorCode(__HResults.E_POINTER);
+        }
+            
+        public ArgumentNullException(String paramName, String message) 
+            : base(message, paramName) {
+            SetErrorCode(__HResults.E_POINTER);   
+        }
+
+        [System.Security.SecurityCritical]  // auto-generated_required
+        protected ArgumentNullException(SerializationInfo info, StreamingContext context) : base(info, context) {
+        }
+    }
+}