Add field type conversion

Hcs.TestApp/ClientDemo/NsiDemo.cs

@@ -1,5 +1,7 @@
 using Hcs.ClientApi;
+using Newtonsoft.Json;
 using System;
+using System.Windows.Forms;
 
 namespace Hcs.ClientDemo
 {
@@ -8,11 +10,10 @@ namespace Hcs.ClientDemo
         public static void DemoExportNsiItem51(HcsClient client)
         {
             var result = client.Nsi.GetNsiItem(51).Result;
-            Console.WriteLine($"Результат операции:\r\n");
-            foreach (var obj in result)
-            {
-                Console.WriteLine(obj.ToJSON());
-            }
+            var json = JsonConvert.SerializeObject(result);
+            Clipboard.SetText(json);
+
+            Console.WriteLine($"Результат скопирован в буфер обмена!\r\n");
         }
     }
 }

Hcs.TestApp/Hcs.TestApp.csproj

@@ -65,6 +65,7 @@
       <HintPath>..\packages\Newtonsoft.Json.13.0.3\lib\net45\Newtonsoft.Json.dll</HintPath>
     </Reference>
     <Reference Include="System" />
+    <Reference Include="System.Windows.Forms" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="ClientDemo\DebtRequestsDemo.cs" />