title: How do you show progress when IsIndeterminate="True" in a WPF progress bar?
body: <p>This has to be the simplest question of all, but I cannot seem to figure it out. I have the progress bar in place. How do I make it show progress? How do I start the thing?</p>
  <pre class="lang-xml prettyprint-override"><code>&lt;ProgressBar x:Name=&quot;ProgressUpload&quot; Margin=&quot;5&quot; IsIndeterminate=&quot;True&quot; &gt;&lt;/ProgressBar&gt;
  </code></pre>