C# 动态执行代码

using Microsoft.CSharp;

using System.CodeDom.Compiler;

using System.Reflection;

 

private void button1_Click(object sender, EventArgs e)

{

   ICodeCompiler vCodeCompiler = new CSharpCodeProvider().CreateCompiler();

   CompilerParameters vCompilerParameters = new CompilerParameters();

   vCompilerParameters.GenerateExecutable = false;

   vCompilerParameters.GenerateInMemory = true;

   string vSource =

       "public class Temp\n" +

       "{\n" +

       "  public double Test(double A, double B)\n" +

       "  {\n" +

       "      return A / B;\n" +

       "  }\n" +

       "}\n";

   CompilerResults vCompilerResults =

       vCodeCompiler.CompileAssemblyFromSource(vCompilerParameters, vSource);

   Assembly vAssembly = vCompilerResults.CompiledAssembly;

   object vTemp = vAssembly.CreateInstance("Temp");

   MethodInfo vTest = vTemp.GetType().GetMethod("Test");

   for (int i = 1; i < 100; i++)

   {

       object[] vParams = { 1, i };

       object vDouble = vTest.Invoke(vTemp, vParams);

       textBox1.AppendText(vDouble.ToString() + "\r\n");

   }

}