请教一个c#编译问题

yiyamzen 2014-11-20 07:34:35

我编译下面的代码报如下错，是什么问题？是不是需要加 try/catch这个？如果是的话需要在哪里加呢？

Error 1 Cannot register assembly "C:\Users\abc\AppData\Local\Temporary Projects\BHO01\bin\Release\BHO01.dll". Exception has been thrown by the target of an invocation. BHO01



namespace BHO01

{

    [

    ComVisible(true),

    Guid("1070731f-34ea-4763-a4ef-89b25562c553"),

    ClassInterface(ClassInterfaceType.None)

    ]



    public class BHO:IObjectWithSite

    {

        WebBrowser webBrowser;

        HTMLDocument document;



        public static string BHO_KEY_NAME = "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Browser Helper Objects";



        [ComRegisterFunction]

        public static void RegisterBHO(Type type)

        {

            RegistryKey registryKey = Registry.LocalMachine.OpenSubKey(BHO_KEY_NAME, true);

            if (registryKey == null)

                registryKey = Registry.LocalMachine.CreateSubKey(BHO_KEY_NAME);

            string guid = type.GUID.ToString("B");

            RegistryKey ourKey = registryKey.OpenSubKey(guid);

            if (ourKey == null)

                ourKey = registryKey.CreateSubKey(guid);

            ourKey.SetValue("Alright", 1);

            registryKey.Close();

            ourKey.Close();

        }



        [ComUnregisterFunction]

        public static void UnregisterBHO(Type type)

        {

            RegistryKey registryKey = Registry.LocalMachine.OpenSubKey(BHO_KEY_NAME, true);

            string guid = type.GUID.ToString("B");

            if (registryKey != null)

                registryKey.DeleteSubKey(guid, false);

        }



        public void OnDocumentComplete(object pDisp, ref object URL)

        {

        }



        public void OnBeforeNavigate2(object pDisp, ref object URL, ref object Flags, ref object TargetFrameName, ref object PostData, ref object Headers, ref bool Cancel)

        {

            document = (HTMLDocument)webBrowser.Document;

            System.Windows.Forms.MessageBox.Show("URL to redirect: " + URL.ToString());

            foreach (IHTMLInputElement tempElement in document.getElementsByTagName("INPUT"))

            {

                System.Windows.Forms.MessageBox.Show(tempElement.name + " = " + tempElement.value);

            }

        }



        public int SetSite(object site)

        {

            if (site != null)

            {

                webBrowser = (WebBrowser)site;

                webBrowser.BeforeNavigate2 += new

                DWebBrowserEvents2_BeforeNavigate2EventHandler(this.OnBeforeNavigate2);

            }

            else

            {

                webBrowser.BeforeNavigate2 -= new

                DWebBrowserEvents2_BeforeNavigate2EventHandler(this.OnBeforeNavigate2);

                webBrowser = null;

            }

            return 0;

        }



        public int GetSite(ref Guid guid, out IntPtr ppvSite)

        {

            IntPtr punk = Marshal.GetIUnknownForObject(webBrowser);

            int hr = Marshal.QueryInterface(punk, ref guid, out ppvSite);

            Marshal.Release(punk);

            return hr;



        }



    }

}