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using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.Runtime.InteropServices;

namespace rubycall
{
public partial class Form1 : Form
{
[DllImport( "msvcrt-ruby18.dll" )]
public static extern void ruby_init();

[DllImport( "msvcrt-ruby18.dll" )]
public static extern uint
rb_eval_string( [MarshalAs( UnmanagedType.LPStr )] string s );

public Form1()
{
InitializeComponent();
}

private void Form1_Load( object sender, EventArgs e )
{
ruby_init();
rb_eval_string( @"File.open('a.txt', 'w' ) { |f| f.puts 'success' }" );
}
}
}