C#开发COM+组件和ActiveX控件

using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Security;
using System.Resources;

// General Information about an assembly is controlled through the following 
// set of attributes. Change these attribute values to modify the information
// associated with an assembly.
[assembly: AssemblyTitle("SecurePassword")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("")]
[assembly: AssemblyProduct("SecurePassword")]
[assembly: AssemblyCopyright("Copyright ©  2013")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]
[assembly: AllowPartiallyTrustedCallers()]

// Setting ComVisible to false makes the types in this assembly not visible 
// to COM components.  If you need to access a type in this assembly from 
// COM, set the ComVisible attribute to true on that type.
[assembly: ComVisible(true)]

// The following GUID is for the ID of the typelib if this project is exposed to COM
[assembly: Guid("A49D98D5-354D-42E1-99A3-0361781B1DAA")]

// Version information for an assembly consists of the following four values:
//
//      Major Version
//      Minor Version 
//      Build Number
//      Revision
//
// You can specify all the values or you can default the Build and Revision Numbers 
// by using the '*' as shown below:
// [assembly: AssemblyVersion("1.0.*")]
[assembly: AssemblyVersion("1.0.0.0")]
[assembly: AssemblyFileVersion("1.0.0.0")]
[assembly: NeutralResourcesLanguageAttribute("en-US")]

AssemblyInfo.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using System.Windows.Forms;

namespace SecurePassword
{
    [Guid("C9BC5F05-9A41-4B45-94A6-CCFDD033CA9D")]
    public class SecurePasswordInput : TextBox, IObjectSafety
    {

        public void GetInterfacceSafyOptions(int riid, out int pdwSupportedOptions, out int pdwEnabledOptions)
        {
            pdwSupportedOptions = 1;
            pdwEnabledOptions = 2;
        }

        public void SetInterfaceSafetyOptions(int riid, int dwOptionsSetMask, int dwEnabledOptions)
        {
            throw new NotImplementedException();
        }
    }
}

SecurePasswordInput.cs

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>
    <script type="text/javascript" language="javascript">
        function showPassword() {
            window.alert(form1.SecurePasswordInput.Text());
        }
    </script>
</head>
<body>
    <form id="form1" action="Test.htm" method="post">
    <object id="SecurePasswordInput" classid="clsid:{A49D98D5-354D-42E1-99A3-0361781B1DAA}">
        <param name="PasswordChar" value="*" />
    </object>
    <input id="showInput" type="button" value="Click Me" onclick="showPassword();" /></form>
</body>
</html>

全部技术和代码出自 http://www.cnblogs.com/RCFans/archive/2008/11/15/1333982.html

签名的ActiveX控件还没搞出来在继续尝试

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原文地址：https://www.cnblogs.com/sskset/p/3282254.html