// to compile this file, first save it as CalliTest.cpp, then type the following,
// cl /clr CalliTest.cpp
// an executable, CalliTest.exe, will be produced. This file is a mixed image that contains both managed and unmanaged code

#include <stdio.h>

#using <mscorlib.dll>

// Allow easy reference System namespace classes
using namespace System;

__gc class Simple
{
public:

	const static int i = 100;
	static Simple *s = new Simple();
};

int (*test)(int);

int MyTest(int num)
{
	printf("The argument is %d\n", num);

	return 1;
}

void funcPointerAsParam(int (*funcPtr)(int), int arg)
{
	funcPtr(arg);
}

// Global function "main" is application's entry point
void main() 
{
	// Write text to the console
	Console::WriteLine(L"Hello World using Managed Extensions!");
	Simple* s = new Simple();
	Console::WriteLine(s->i);

	Console::WriteLine("Hello World using Managed Extensions!");

	test = MyTest;
	int ret = test(100);

	int (*funcPtr)(int); // function pointer as a local variable

	funcPtr = MyTest;
	ret = funcPtr(1000);

	funcPointerAsParam(MyTest, 10000);
}