content: import React, { Component } from 'react';
  
  import { render, Window, App, Button } from 'proton-native';
  
  class Example extends Component {
    render() {
      return (
        <App>
          <Window title="Example" size={{w: 300, h: 300}} menuBar={false}>
            <Button stretchy={false} onClick={() => console.log('Hello')}>
              Button
            </Button>
          </Window>
        </App>
      );
    }
  }
  
  render(<Example />);