class Program
 {
  static void Main(string[] args)
  {
   using (var state = new Lua())
   {
    //Evaluating simple expressions:
    //Lua can return multiple values, for this reason DoString return a array of objects
    var res0 = state.DoString("return 10 + 3*(5 + 2)")[0];
    Console.WriteLine($"Output result0:{res0}");

    //Passing raw values to the state:
    double val = 12.0;
    state["x"] = val; // Create a global value 'x' 
    var res1 = (double)state.DoString("return 10 + x*(5 + 2)")[0];
    Console.WriteLine($"Output result1:{res1}");

    //Retrieving global values:
    state.DoString("y = 10 + x*(5 + 2)");
    double y = (double)state["y"]; // Retrieve the value of y
    Console.WriteLine($"Y result:{y}");    
    
    Console.ReadKey();
   }
  }}

class Program
 {
  static void Main(string[] args)
  {
   using (var state = new Lua())
   {
    //Retrieving Lua functions:
    state.DoString(@"function ScriptFunc (val1, val2)
           if val1 > val2 then
            return val1 + 1
           else
            return val2 - 1
           end
          end
          ");
    var scriptFunc = state["ScriptFunc"] as LuaFunction;
    var funcRes = scriptFunc.Call(3, 5).First();
    Console.WriteLine($"Func result:{funcRes}");

    Console.ReadKey();
   }
  }
}

using System;
using System.Linq;
using NLua;

namespace NLuaConsoleApp
{
 class Program
 {
  static void Main(string[] args)
  {
   using (var state = new Lua())
   {
    ////---------------------------------------------------lua調(diào)用c#函數(shù)
    TestClass obj = new TestClass();

    // 注冊(cè)CLR對(duì)象方法到Lua，供Lua調(diào)用 typeof(TestClass).GetMethod("TestPrint")
    state.RegisterFunction("TestPrint", obj, obj.GetType().GetMethod("TestPrint"));

    // 注冊(cè)CLR對(duì)象方法到Lua，供Lua調(diào)用 typeof(TestClass).GetMethod("AnotherFunc")
    state.RegisterFunction("AnotherFunc", obj, obj.GetType().GetMethod("AnotherFunc"));

    // 注冊(cè)CLR靜態(tài)方法到Lua，供Lua調(diào)用
    state.RegisterFunction("TestStaticPrint", null, typeof(TestClass).GetMethod("TestStaticPrint"));

    state.DoString("TestPrint(10,20)");
    state.DoString("AnotherFunc('10','20')");
    state.DoString("TestStaticPrint()");

    Console.ReadKey();
   }
  }

  class TestClass
  {

   public int TestPrint(int num,int num2)
   {
    var result = num + num2;
    Console.WriteLine("Print result:" + result);
    return result;
   }

   public void AnotherFunc(string val1, string val2)
   {
    Console.WriteLine($"MyTest,Param1:{val1},Param2:{val2}");
   }

   public static void TestStaticPrint()
   {
    Console.WriteLine("TestStaticPrint");
   }
  }

 }
}

class Program
 {
  static void Main(string[] args)
  {
   using (var state = new Lua())
   {
    state.LoadCLRPackage();
    state.DoString(@" import ('System.Web') ");
    state.DoString(@" client = WebClient() ");
    state.DoString(@"local res = client:DownloadString('http://nlua.org')");

    Console.ReadKey();
   }
  }
 }