protected string do_compile(string[] code, string outputFile, bool isexe)
        {
            CodeDomProvider provider = CodeDomProvider.CreateProvider("CSharp");
            CompilerParameters parameters;

            // These are the equivalent of the references part of a visual studio project
            string[] refrences = { "System", "System.Data", "System.Windows.Forms" };

            // Create params for compile
            parameters = new CompilerParameters(refrences, outputFile, true);
            parameters.GenerateExecutable = isexe;

            // Send it all to the compiler
            CompilerResults results = provider.CompileAssemblyFromSource(parameters, code);

            String result;

            // Check for errors
            if (results.Errors.Count > 0)
            { // We had an error
                result = "Error";

                // Add the erorrs to the result
                foreach (CompilerError ce in results.Errors)
                {
                    result += "\n" + ce.ToString();
                    MessageBox.Show(result);
                }
            }
            else
            { // All was fine
                result = "Success";
                MessageBox.Show(result);
            }

            return result;
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string[] code = { "MessageBox.Show('Hi');" };
            string output = @"E:\test.exe";

            do_compile(code, output, true);
        }