Importing C# DLL into MQL5 script

[Yashar Safarzadeh]

I want to import my dll program written in VS C# which runs OK, into mql5 script. Here is what i have done. but after compiling in mql5 I get following the error:

Cannot find 'Program' in 'Keygen.dll'
unresolved import function call

Would you help me how to do the binding?

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;

namespace Keygen
{
    static class Program
    {
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new Form2());
        }
    }
}

#property strict

#import "Keygen.dll"
void Program();
#import
//+------------------------------------------------------------------+
//| Script program start function                                    |
//+------------------------------------------------------------------+
void OnStart()
  {
//---
   Program();
  }
//+------------------------------------------------------------------+

[amrali]

You cannot use #import for managed DLLs (.NET class library).

[Ondrej Hlouzek]

I had the same problem. And finally I figured it out. Assembly name, default namespace in project property and namespace name must be the same !! but class name must be different! then everything will work as it should.