每日一学：动态执行代码

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.CodeDom.Compiler;
using System.Reflection;namespace WindowsFormsApplication30
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }        private void button1_Click(object sender, EventArgs e)
        {
            string code = "int sum = 0; for(int i = 0; i < 100; i++) { sum += i; } MessageBox.Show(sum.ToString());";
            Compiler(code);
        }        private void Compiler(string code)
        {
            CompilerParameters vCompilerParameters = new CompilerParameters();
            vCompilerParameters.GenerateExecutable = false;
            vCompilerParameters.GenerateInMemory = true;
            vCompilerParameters.ReferencedAssemblies.Add("System.Windows.Forms.dll");
            string vSource =
                "using System.Windows.Forms; " +
                "public class Temp " +
                "{ " +
                "    public void Test() " +
                "    { " +
                "         " + code + " " +
                "    } " +
                "} ";
            CompilerResults vCompilerResults =
                CodeDomProvider.CreateProvider("CSharp").CompileAssemblyFromSource(vCompilerParameters, vSource);            Assembly vAssembly = vCompilerResults.CompiledAssembly;
            object vTemp = vAssembly.CreateInstance("Temp");
            MethodInfo vTest = vTemp.GetType().GetMethod("Test");
            vTest.Invoke(vTemp, null);
        }    }
}