Question

您好我有以下用于配置活动x组件的c＃代码

using System;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Windows.Forms;
using Microsoft.Win32;

namespace Kosmala.Michal.ActiveXTest
{
    /// <summary>
    /// Summary description for Class1.
    /// </summary>
    [ProgId("Dendrite.WebForce.MMP.Web.OurActiveX")]
    [ClassInterface(ClassInterfaceType.AutoDual), ComSourceInterfaces(typeof(ControlEvents))] //Implementing interface that will be visible from JS
    [Guid("121C3E0E-DC6E-45dc-952B-A6617F0FAA32")]
    [ComVisible(true)]
    public class ActiveXObject
    {
        private string myParam = "Empty"; 

        public ActiveXObject()
        {

        }

        public event ControlEventHandler OnClose;

        /// <summary>
        /// Opens application. Called from JS
        /// </summary>
        [ComVisible(true)]
        public void Open()
        {
            //TODO: Replace the try catch in aspx with try catch below. The problem is that js OnClose does not register.
            try
            {

                MessageBox.Show(myParam); //Show param that was passed from JS
                Thread.Sleep(2000); //Wait a little before closing. This is just to show the gap between calling OnClose event.
                Close(); //Close application

            }
            catch (Exception e)
            {
                //ExceptionHandling.AppException(e);
                throw e;
            }
        }

        /// <summary>
        /// Parameter visible from JS
        /// </summary>
        [ComVisible(true)]
        public string MyParam
        {
            get
            {
                return myParam;
            }
            set
            {
                myParam = value;
            }
        }


        [ComVisible(true)]
        public void Close()
        {
            if(OnClose != null)
            {
                OnClose("http://otherwebsite.com"); //Calling event that will be catched in JS
            }
            else
            {
                MessageBox.Show("No Event Attached"); //If no events are attached send message.
            }
        }



        /// <summary>
        /// Register the class as a control and set it's CodeBase entry
        /// </summary>
        /// <param name="key">The registry key of the control</param>
        [ComRegisterFunction()]
        public static void RegisterClass ( string key )
        {
            // Strip off HKEY_CLASSES_ROOT\ from the passed key as I don't need it
            StringBuilder   sb = new StringBuilder ( key ) ;

            sb.Replace(@"HKEY_CLASSES_ROOT\","") ;
            // Open the CLSID\{guid} key for write access
            RegistryKey k   = Registry.ClassesRoot.OpenSubKey(sb.ToString(),true);

            // And create   the 'Control' key - this allows it to show up in
            // the ActiveX control container
            RegistryKey ctrl = k.CreateSubKey   ( "Control" ) ;
            ctrl.Close ( ) ;

            // Next create the CodeBase entry   - needed if not string named and GACced.
            RegistryKey inprocServer32 = k.OpenSubKey   ( "InprocServer32" , true ) ;
            inprocServer32.SetValue (   "CodeBase" , Assembly.GetExecutingAssembly().CodeBase ) ;
            inprocServer32.Close ( ) ;
                // Finally close the main   key
            k.Close (   ) ;
            MessageBox.Show("Registered");
        }

        /// <summary>
        /// Called to unregister the control
        /// </summary>
        /// <param name="key">Tke registry key</param>
        [ComUnregisterFunction()]
        public static void UnregisterClass ( string key )
        {
            StringBuilder   sb = new StringBuilder ( key ) ;
            sb.Replace(@"HKEY_CLASSES_ROOT\","") ;

            // Open HKCR\CLSID\{guid} for write access
            RegistryKey k = Registry.ClassesRoot.OpenSubKey(sb.ToString(),true);

            // Delete the 'Control' key, but don't throw an exception if it does not exist
            k.DeleteSubKey ( "Control" , false ) ;

            // Next open up InprocServer32
            //RegistryKey   inprocServer32 = 
            k.OpenSubKey (  "InprocServer32" , true ) ;

            // And delete the CodeBase key, again not throwing if missing
            k.DeleteSubKey ( "CodeBase" , false ) ;

            // Finally close the main key
            k.Close ( ) ;
            MessageBox.Show("UnRegistered");
        }



    }

    /// <summary>
    /// Event handler for events that will be visible from JavaScript
    /// </summary>
    public delegate void ControlEventHandler(string redirectUrl); 


    /// <summary>
    /// This interface shows events to javascript
    /// </summary>
    [Guid("68BD4E0D-D7BC-4cf6-BEB7-CAB950161E79")]
    [InterfaceType(ComInterfaceType.InterfaceIsIDispatch)]
    public interface ControlEvents
    {
        //Add a DispIdAttribute to any members in the source interface to specify the COM DispId.
        [DispId(0x60020001)]
        void OnClose(string redirectUrl); //This method will be visible from JS
    }
}

我创建了测试页.html为

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" > 

<html>
  <head>
    <title>WebForm1</title>
    <meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
    <meta name="CODE_LANGUAGE" Content="C#">
    <meta name=vs_defaultClientScript content="JavaScript">
    <meta name=vs_targetSchema content="http://schemas.microsoft.com/intellisense/ie5">
  </head>
  <body onload="OpenActiveX()">

  <!-- Our activeX object -->
  <OBJECT id="OurActiveX" name=”OurActiveX" classid="clsid:121C3E0E-DC6E-45dc-952B-A6617F0FAA32" VIEWASTEXT codebase="OurActiveX.cab"></OBJECT> 

  <!-- Attaching to an ActiveX event-->
<script language="javascript">
           function OurActiveX::OnClose(redirectionUrl)
       {
        alert(redirectionUrl);   <!-- http://otherwebsite.com should be returned-->
                    //window.location = redirectionUrl;
           }
</script>


<script language="javascript">
    //Passing parameters to ActiveX object and starting application
function OpenActiveX()
{
    try
    {
        document.OurActiveX.MyParam = "Hi I am here." //Passing parameter to the ActiveX
        document.OurActiveX.Open(); //Running method from activeX
    }
    catch(Err)
    {
        alert(Err.description);
    }
}   


</script>

  </body>
</html>

现在，当我在Internet Explorer浏览器中运行html页面时，我收到以下错误

对象不支持属性或方法打开

你可以帮我解决这些问题

等待您的宝贵意见和回复

Answer 1

在IE中打开测试页，从工具栏上的工具按钮打开Internet选项（在IE9中），选择安全页面，点击自定义按钮，向下滚动到“ActiveX控件和插件”部分。您可以在此处启用ActiveX控件的提示/启用以及脚本编写。

默认情况下，IE中会阻止未签名的ActiveX控件，并且已签名的ActiveX控件将引发提示。

Answer 2

我会尝试取消注册DLL，更改GUID，然后重新注册您的课程。由于设置MyParam 会出现，因此可能会在以后添加Open()，并且接口定义不会重新注册。

Answer 3

您必须使用注册ActiveX控件 Microsoft .Net Framework regasm.exe 工具。

要注册ActiveX控件，请使用以下步骤：

打开命令提示符。
导航.Net框架的安装目录您正在定位（例如c：\ windows \ Microsoft.NET \ Framework）
输入以下命令

regasm.exe / tlb / codebase“ActiveX.dll的路径”
请注意，如果您在x64位操作系统上运行您必须为x86和x64注册ActiveX控件 IE浏览器。对于x64 Internet Explorer，您必须导航到您要定位的.Net Framework的x64目录执行以下命令：

regasm.exe / tlb / codebase“x64 ActiveX.dll的路径”

在注册ActiveX dll期间，您应该看到一个消息框消息“已注册”。请不要，如果您使用平台目标“任何CPU”编译您的dll 您可以使用相同的dll进行注册。

Answer 4

从方法名称中删除静态，你就可以了!!

用c＃运行带有activex对象的dll

4 个答案: