AgiRadar::AgiRadar()
{
//	connecting to .net DLL to use the following functions

//	Public Shared Function testFunc1() As Integer
//	    Return 123
//	End Function
	
//	Public Shared Function testFunc2(ByVal x As Double) As Double
//	    Return x * x
//	End Function

	Dl turbineSpeedCalc;

	String myDllFolder = "D:\\temp\\test\\Debug\\";

/////////////////////////////////////////	

	double (*testFunc2)(double);
	
	if (!turbineSpeedCalc.Load(AppendFileName(myDllFolder, "turbineSpeedCalc.dll")))
	    throw Exc(Format(t_("% dll not found"), "turbineSpeedCalc"));
	
	testFunc2 = (double (*)(double))turbineSpeedCalc.GetFunction("testFunc2");
	
	if (!testFunc2)
	    throw Exc(Format(t_("Function %s was not found in dll"), "testFunc2"));
	
	double argOut = testFunc2(15.0);	
	
	String s = Format("answer is %f",argOut);
	PromptOK(s);
	
//////////////////////////////////////////
	
	int (*testFunc1)();
	
	if (!turbineSpeedCalc.Load(AppendFileName(myDllFolder, "turbineSpeedCalc.dll")))
	    throw Exc(Format(t_("% dll not found"), "turbineSpeedCalc"));
	
	testFunc1 = (int (*)())turbineSpeedCalc.GetFunction("testFunc1");
	
	if (!testFunc1)
	    throw Exc(Format(t_("Function %s was not found in dll"), "testFunc1"));
	
	double argOut2 = testFunc1();	
	
	s = Format("answer is %f",argOut2);
	PromptOK(s);
	
}

error: 'Dl' was not declared in this scope

using System;
using System.IO;
using System.Runtime.InteropServices;
using RGiesecke.DllExport;

namespace Plugins
{
    public class Plugins
    {   // CallingConvention.StdCall
        [DllExport("OnPluginStart", CallingConvention = CallingConvention.Cdecl)]
        public static bool OnPluginStart()
        {				
            using (var file = new StreamWriter(@"c:\\pluginLog.txt", true))
            {
                file.WriteLine("OnPluginStart");
            }			
	    return true;
        }
    }
}

FN(bool, OnPluginStart,(void))

	
	bool nn= PLUGINS().Load();
	Cout() << nn << '\n';

bool retval= PLUGINS().Load("C:\\Plugins.dll");

#define dllFILENAME "C:\\Plugins.dll"
#define DLIMODULE   PLUGINS
#define DLIHEADER   <my_use_DLL_cs/Plugins.dli>
#define dllCALL     LNPUBLIC

bool n= PLUGINS().Load();	
Cout() << n << '\n';
PLUGINS().Force();

	if (PLUGINS().Load())
	{
		bool MSG = PLUGINS().Load().OnPluginStart();
		LOG(MSG);
		Cout() << MSG << '\n';
	}

DLLTYPE& DLIMODULE()
{
	DLLTYPE& out = COMBINE(DLIMODULE, _)();
	out.Load();
	return out;
}

bool n= PLUGINS();	
  Cout() << n << '\n';

bool n= PLUGINS;

CONSOLE_APP_MAIN
{
	StdLogSetup(LOG_COUT|LOG_FILE);	
	{
	  bool n= PLUGINS;	
	  Cout() << n << '\n';
	  //DLOG(AsString(n));
	}
	{
	bool (*testFunc2)();
	testFunc2 = (bool (*)())PLUGINS().OnPluginStart;
	Cout() << Value(*testFunc2) << '\n';
	}
	if (PLUGINS)
	{
		bool MSG = PLUGINS().OnPluginStart();
		//LOG(MSG);
		Cout() << MSG << '\n';
	}
}