Minor fixes to handling arrays and std::string.

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>

src/Generator/Generators/CSharp/CSharpTypePrinter.cs

@@ -146,6 +146,9 @@ namespace CppSharp.Generators.CSharp
                     return string.Format("{0}*", array.Type.Visit(this, quals));
                 }
 
+                if (Context.Parameter != null)
+                    return string.Format("global::System.IntPtr");
+
                 Class @class;
                 if (arrayType.TryGetClass(out @class))
                 {

src/Generator/Generators/Template.cs

@@ -309,8 +309,8 @@ namespace CppSharp.Generators
 
         public string Generate()
         {
-            //if (Options.IsCSharpGenerator && Options.CompileCode)
+            if (Options.IsCSharpGenerator && Options.CompileCode)
-            //    return RootBlock.GenerateUnformatted(Options).ToString();
+                return RootBlock.GenerateUnformatted(Options).ToString();
             return RootBlock.Generate(Options);
         }
 

src/Generator/Types/Std/Stdlib.cs

@@ -94,14 +94,14 @@ namespace CppSharp.Types.Std
             var type = ctx.ReturnType.Type;
             ClassTemplateSpecialization basicString = GetBasicString(type);
             Declaration c_str = basicString.Methods.FirstOrDefault(m => m.OriginalName == "c_str");
-            if (c_str == null)
+            if (!c_str.IsGenerated)
                 c_str = basicString.Properties.First(p => p.OriginalName == "c_str");
             var typePrinter = new CSharpTypePrinter(ctx.Driver);
             if (type.IsPointer() || ctx.Declaration is Field)
             {
-                ctx.Return.Write("{0}.{1}({2}).{3}()",
+                ctx.Return.Write("{0}.{1}({2}).{3}{4}",
                     basicString.Visit(typePrinter), Helpers.CreateInstanceIdentifier,
-                    ctx.ReturnVarName, c_str.Name);
+                    ctx.ReturnVarName, c_str.Name, c_str is Method ? "()" : string.Empty);
             }
             else
             {