WPF

<window x:class="Sivam.Window1" xmlns:x="#unknown"><br />
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"<br />
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"<br />
    xmlns:wfi="clr-namespace:System.Windows.Forms.Integration;assembly=WindowsFormsIntegration"<br />
    xmlns:wf="clr-namespace:System.Windows.Forms;assembly=System.Windows.Forms"<br />
    Title="Sivam" Height="300" Width="300" Loaded="Form_Load"><br />
<br />
 grid><br />
 windowsformshost margin="7.37,6.72333333333333,48,22"><br />
 wf:panel height="50" x:name="panel1" text="Prompt" xmlns:wf="#unknown" /><br />
 /windowsformshost><br />
 /grid><br />
<br />
/window>;<br />
</window>

private void Form_Load(object Sender, EventArgs e)<br />
        {<br />
            UserControl1 uc1 = new UserControl1();<br />
            panel1.Controls.Add(uc1);<br />
            <br />
            //System.Windows.Forms.Integration.ElementHost host = new System.Windows.Forms.Integration.ElementHost();<br />
            //UserControl1 uc1 = new UserControl1();<br />
            //host.Controls.Add(uc1); <br />
            //panel1.Controls.Add(host);<br />
                      <br />
        }

<br />
private void Form_Load(object Sender, RoutedEventArgs e)<br />
        {<br />
            Button btn = new Button();<br />
            btn.Name = "Button1";<br />
            btn.Content = "Button Text";<br />
            listView1.Controls.Add(btn);<br />
            //this.listView1.Controls.Add(new Button()); <br />
            <br />
        }<br />