compiler = '%windir%\\Microsoft.NET\\Framework64\\v4.0.30319\\csc.exe';
options = '/target:winexe /optimize+ /warn:0 /nologo';

// object
fso = new ActiveXObject('Scripting.FileSystemObject');
shell = new ActiveXObject('WScript.Shell');

// path
thisPath = WScript.scriptFullName;
csPath = thisPath.replace(/jse?$/i, 'cs');
exePath = thisPath.replace(/jse?$/i, 'exe');

// template
csTemplate =
  'using System;' + '\r\n' +
  'using System.Windows.Forms;' + '\r\n' +
  '\r\n' +
  'class Program' + '\r\n' +
  '{' + '\r\n' +
  '    static void Main(string[] args)' + '\r\n' +
  '    {' + '\r\n' +
  '        string title = "Hello";' + '\r\n' +
  '        string message = "Hello, World!\\n";' + '\r\n' +
  '        for (int i = 0; i < args.Length; i++)' + '\r\n' +
  '        {' + '\r\n' +
  '            message += args[i] + "\\n";' + '\r\n' +
  '        }' + '\r\n' +
  '        MessageBox.Show(message, title);' + '\r\n' +
  '    }' + '\r\n' +
  '}' + '\r\n';

// date
try { 
  csDate = new Date(fso.getFile(csPath).dateLastModified);
} catch (e) { 
  csFile = fso.createTextFile(csPath);
  csFile.write(csTemplate);
  csFile.close();
  csDate = new Date(fso.getFile(csPath).dateLastModified);
}
try { 
  exeDate = new Date(fso.getFile(exePath).dateLastModified);
} catch (e) { 
  exeDate = new Date(-8.64e15);
}

// command
compileCommand = '"' + compiler + '" /out:"' + exePath + '" ' + options + ' "' + csPath + '"';
executeCommand = '"' + exePath + '"';
args = WScript.Arguments;
for (i = 0; i < args.length; i++) {
  executeCommand += ' "' + args(i) + '"';
}

// compile
if (csDate.getTime() >= exeDate.getTime()) {
  compileError = shell.run(compileCommand, 0, true);
  if (compileError != 0) {
    shell.run('cmd /s /c "title Visual C# compiler&' + compileCommand + '&pause>nul"');
    WScript.quit();
  }
}

// execute
shell.run(executeCommand);