C#

<br />
private void button1_Click(object sender, System.EventArgs e)<br />
   {<br />
	MessageBox.Show("Button Clicked!");<br />
            //set the view to detail<br />
            SendMessage(Explorer.HWND, LVM_COMMAND, viewREPORT, 0);<br />
            //now get the<br />
            IntPtr lSHELLDLLDefView = FindWindowEx(Explorer.HWND, 0, "SHELLDLL_DefView", null);<br />
            if (lSHELLDLLDefView == null)<br />
            {<br />
                return;<br />
            }<br />
            IntPtr lDUIViewWndClassName = FindWindowEx(lSHELLDLLDefView, IntPtr.Zero, "DUIViewWndClassName", IntPtr.Zero);<br />
            if (lDUIViewWndClassName == null)<br />
            {<br />
                return;<br />
            }<br />
            IntPtr lDirectUIHWND = FindWindowEx(lDUIViewWndClassName, IntPtr.Zero, "DirectUIHWND", IntPtr.Zero);<br />
            if (lDirectUIHWND == null)<br />
            {<br />
                return;<br />
            }<br />
            IntPtr lCtrlNotifySink = FindWindowEx(lDirectUIHWND, IntPtr.Zero, "CtrlNotifySink", IntPtr.Zero);<br />
            if (lCtrlNotifySink == null)<br />
            {<br />
                return;<br />
            }<br />
            IntPtr lSysListView32 = FindWindowEx(lCtrlNotifySink, IntPtr.Zero, "SysListView32", IntPtr.Zero);<br />
            if (lSysListView32 == null)<br />
            {<br />
                return;<br />
            }<br />
<br />
            //create new column<br />
            LVCOLUMN lvc = new LVCOLUMN();<br />
	    lvc.mask = 0x0001|0x0008|0x0002|0x0004;//LVCF_FMT|LVCF_SUBITEM|LVCF_WIDTH|LVCF_TEXT<br />
            lvc.fmt = 0x0001;<br />
            lvc.cx = 100;<br />
            lvc.text = "Author";<br />
<br />
            int counter = 0;<br />
            SendMessage(lSysListView32, 0x1000 + 97, counter, ref lvc);<br />
              <br />
	}

static void Main()
{
    int i = 100;
    object b = i;
    long l = (long)b; // why compiler can not make type check here?

    return;
}