Added better wrapping for out parameters.

src/Generator/Generators/CSharp/CSharpTextTemplate.cs

@@ -1146,17 +1146,15 @@ namespace CppSharp.Generators.CSharp
 
             if (param.Usage == ParameterUsage.Out)
             {
-                //var paramType = param.Type;
-                //if (paramType.IsReference())
-                //    paramType = (paramType as PointerType).Pointee;
+                var paramType = param.Type;
 
-                //var typePrinter = new CppTypePrinter(Driver.TypeDatabase);
-                //var type = paramType.Visit(typePrinter);
-
-                //WriteLine("{0} {1};", type, argName);
-            }
-            else
+                Class @class;
+                if (paramType.Desugar().IsTagDecl(out @class) && @class.IsRefType)
                 {
+                    WriteLine("{0} = new {1}();", param.Name, paramType);
+                }
+            }
+
             var ctx = new CSharpMarshalContext(Driver)
             {
                 Parameter = param,
@@ -1177,11 +1175,23 @@ namespace CppSharp.Generators.CSharp
                 Write(marshal.Context.SupportBefore);
 
             WriteLine("var {0} = {1};", SafeIdentifier(argName), marshal.Context.Return);
-            }
 
             return paramMarshal;
         }
 
+        static string GetParameterUsage(ParameterUsage usage)
+        {
+            switch (usage)
+            {
+                case ParameterUsage.Out:
+                    return "out ";
+                case ParameterUsage.InOut:
+                    return "ref";
+                default:
+                    return string.Empty;
+            }
+        }
+
         private void GenerateMethodParameters(Method method, Class @class)
         {
             var @params = new List<string>();
@@ -1193,7 +1203,8 @@ namespace CppSharp.Generators.CSharp
                 if (param.Kind == ParameterKind.HiddenStructureReturn)
                     continue;
 
-                @params.Add(string.Format("{0} {1}", param.Type, SafeIdentifier(param.Name)));
+                @params.Add(string.Format("{0}{1} {2}", GetParameterUsage(param.Usage),
+                    param.Type, SafeIdentifier(param.Name)));
             }
 
             Write(string.Join(", ", @params));