type case Icollection object into collection object in c#
<p>How can i cast an ICollection object of string type into a Collection object of string type again in c#</p>

<p>So one of my methods return </p>

<pre><code>public static ICollection&lt;type1&gt; Filter()
</code></pre>

<p>and i need to get this into </p>

<pre><code> Collection&lt;type1&gt; list=Filter();
</code></pre>

<p>thanks</p>
