title: How to put a UserControl into Visual Studio toolBox
body: <p>I made a usercontrol in my project, and after building project, I need to put it in my toolbox, and use it as a common control. but i can't. the <code>UserControl</code> is in my project namespace, and I tried <code>Choose Item</code> in right click menu, but I didn't find a way to add it. </p>