title: How to add my UserControl from another project (Dll) into my WPF Solution?
body: <p>So, everything is in the title, I just want to add a UserControl in my WPF Window. It looks like easy but the UserControl is in another project (Dll project) in the same solution. And I just can't reference it.</p>
  
  <p>So, my best try is something like that:</p>
  
  <pre><code>&lt;Window xmlns:local="clr-namespace:MyWindowProject" x:Name="window"
      xmlns:other="clr-namespace:MyDllProject"
      x:Class="MyWindowProject.MainWindow"
      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  &gt;
      &lt;other:MyUserControl /&gt;
  &lt;/Window&gt;
  </code></pre>
  
  <p>I know I am near to find how to make it because I've got just one error and the autocompletion is working on MyUserControl. But, I've got this weird error: "The name 'MyUserControl' does not exist in the namespace "clr-namespace:MyDllProject".</p>
  
  <p>I'm sure that I'm doing something wrong, but I really don't know what...</p>