title: How to make a Screenshot from a tkinterframe, not from an Area of the Screen?
body: <p>I make two Kinds of Screenshots.
  The First is from a Webcamstream - everything fine.</p>
  <p>The Second should be a Screenshot from a tkinter Frame where I show the Webcamstream with some Data.
  At the Moment I use:</p>
  <pre><code>imgcap = ImageGrab.grab(bbox=(x,y,end_width,end_height))
  </code></pre>
  <p>But if an other Window lies above my Frame its on the Screenshot.
  Is there a Way to get a Screenshot from the tkinter Frame itself, instead from the Screen?</p>
  <p>If Someone has an Idea to add the Data to the Webcamscreenshot (not as Overlay, may be below of it) I would be interested too.</p>