default.js

(function () {
 
      var remote = require('remote'); 
      var BrowserWindow = remote.require('browser-window'); 
      var edge = remote.require('electron-edge');
      
      var helloWorld = edge.func(`
          async (input) => { \
              return ".NET Welcomes " + input.ToString(); \
          }
      `);

      helloWorld('JavaScript', function(error, result) {
        if(error) throw error;
        console.log(result);
      });
      
     function init() { 
          document.getElementById("min-btn").addEventListener("click", function (e) {
               var window = BrowserWindow.getFocusedWindow();
               window.minimize(); 
          });
          
          document.getElementById("max-btn").addEventListener("click", function (e) {
            var window = BrowserWindow.getFocusedWindow();
            if(window.isMaximized() === false){
              window.maximize();
            } else {
              window.unmaximize();
            }
          }); 

          document.getElementById("close-btn").addEventListener("click", function (e) {
               var window = BrowserWindow.getFocusedWindow();
               window.close();
          }); 
    
     }; 

     document.onreadystatechange = function () {
          if (document.readyState == "complete") {
               init(); 
          }
     };
 
})();