private void Form1_Load(object sender, EventArgs e)  
    {  
        object ppvComObject = null;  
        try  
        {  
            Guid CLSID_ShellWindows = new Guid("9BA05972-F6A8-11CF-A442-00A0C90A8F39");  
      
            Type pComType = Type.GetTypeFromCLSID(CLSID_ShellWindows, true);  
            ppvComObject = Activator.CreateInstance(pComType);  
      
            int webCount;  
            if ((webCount = (int)pComType.InvokeMember("Count", BindingFlags.GetProperty, null, ppvComObject, null)) > 0)  
            {  
                for (int i = 0; i < webCount; i++)  
                {  
                    object webObject = pComType.InvokeMember("Item",  // IWebBrowser  
                        BindingFlags.InvokeMethod, null, ppvComObject, new object[] { i });  
      
                    webObject.GetType().InvokeMember("Navigate",   
                        BindingFlags.InvokeMethod, null, webObject, new object[] { "http://blog.csdn.net/u012395622" });  
                }  
            }  
        }  
        finally  
        {  
            if (ppvComObject != null && Marshal.IsComObject(ppvComObject))  
                Marshal.ReleaseComObject(ppvComObject);  
        }  
    }  

首先Type.GetTypeFromCLSID获取到COM对象的NET包装类型

然后再通过Activator.CreateInstance创建它的对象包装实例(System.__ComObject)

然后我们在通过Type.InvokeMember去调用它的方法/属性 整体是比较简单的

实际上这只是CLR中一种较为简单的反射机制的应用，但不能调用未注册的类型库。