C# Devcomponents could not found
<p>I try to run one C# project in visual studio 2013 but it have 2 errors about DevComponenets.</p>

<pre><code>this.line1 = new DevComponents.DotNetBar.Controls.Line();
</code></pre>

<p>and </p>

<pre><code>private DevComponents.DotNetBar.Controls.Line line1;
</code></pre>

<p>For this two line i have this error : The type or namespace name DevComponenets could not be found (are you missing a using directive or an assembly reference?).</p>

<p>Can anyone tell me what i should to do please ?</p>