$ make mmm
cat makefile
TARGET=compileInvoke.exe
SRCS=$(TARGET:%.exe=%.cs)

.PHONY: all clean mmm test
.SUFFIXES: .cs .exe

all: $(TARGET)

$(TARGET): $(SRCS)


.cs.exe:
        csc $<

test: $(TARGET)
        ./$<

clean:
        @-rm *~ *.obj $(TARGET) 1>/dev/null 2>&1

mmm:
        cat makefile
        cat     $(SRCS)
cat     compileInvoke.cs
// compileinvoke.cs
// csc compileInvoke.cs

using System;
using Microsoft.CSharp;
using System.CodeDom.Compiler;
using System.Reflection;

public class CompileInvoke {
        static string cs = @"
                public class CSHello {
                        public static void Main() {
                                System.Console.WriteLine(""Hello C# World!"");
                        }
                }";

        public static void Main() {
//              Console.WriteLine(cs);
                CodeDomProvider provider = CodeDomProvider.CreateProvider("CShar
p");
                String[] referenceAssemblies = { "System.dll" };
                String exeFile = "aaa.exe";
                CompilerParameters cp = new CompilerParameters(referenceAssembli
es,exeFile, false);
                cp.GenerateInMemory = true;
                cp.GenerateExecutable = true;
                CompilerResults cr = provider.CompileAssemblyFromSource(cp, cs);


                Assembly asm = cr.CompiledAssembly;

                Type type = asm.GetType("CSHello");

                MethodInfo mi = type.GetMethod("Main");
                mi.Invoke(null, null);  // Hello C# World!
        }
}