title: this.Loaded += (s, e) => this.loaded = true;?
body: <p>would someone please write this code:</p>
  
  <p>this.Loaded += (s, e) => this.loaded = true;</p>
  
  <p>into several code lines so I can retrace the meaning?</p>
  
  <p>In my code sample there is no <strong>s</strong> or <strong>e</strong> ?</p>