Implementing a Web browser in C #

web| browser nonsense say, look at the code ...

Private Axshdocvw.axwebbrowser AxWebBrowser1;
Private System.Windows.Forms.Button button1;
Private System.Windows.Forms.Label Label1;
Private Axshockwaveflashobjects.axshockwaveflash AxShockwaveFlash1;

System.Threading.Thread thread1=new System.Threading.Thread (New System.Threading.ThreadStart (Thread_webbrowse));
Thread1. Start ();

private void Thread_webbrowse ()
{
This is the use of a try, which throws an exception when the error
Try
{
Object N=null;
This.axWebBrowser1.Navigate ("www.sina.com.cn", ref n,ref N,ref n,ref N);
}
catch (Exception ex)
{
This.label_output.text=ex. ToString ();
}
}