Managed API: Refactoring and formatting.

Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>

src/api/dotnet/ConstructorList.cs

@@ -0,0 +1,59 @@
+/*++
+Copyright (c) 2012 Microsoft Corporation
+
+Module Name:
+
+    ConstructorList.cs
+
+Abstract:
+
+    Z3 Managed API: Constructor Lists
+
+Author:
+
+    Christoph Wintersteiger (cwinter) 2012-11-23
+
+Notes:
+    
+--*/
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+using System.Diagnostics.Contracts;
+
+namespace Microsoft.Z3
+{
+    /// <summary>
+    /// Lists of constructors
+    /// </summary>
+    public class ConstructorList : Z3Object
+    {
+        /// <summary>
+        /// Destructor.
+        /// </summary>
+        ~ConstructorList()
+        {
+            Native.Z3_del_constructor_list(Context.nCtx, NativeObject);
+        }
+
+        #region Internal
+        internal ConstructorList(Context ctx, IntPtr obj)
+            : base(ctx, obj)
+        {
+            Contract.Requires(ctx != null);
+        }
+
+        internal ConstructorList(Context ctx, Constructor[] constructors)
+            : base(ctx)
+        {
+            Contract.Requires(ctx != null);
+            Contract.Requires(constructors != null);
+
+            NativeObject = Native.Z3_mk_constructor_list(Context.nCtx, (uint)constructors.Length, Constructor.ArrayToNative(constructors));
+        }
+        #endregion
+    }
+}