Creating activex control in C#.net visual studio 2010.

Question

1.00/5 (1 vote)

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first of all, i opened a class library project and add the following code!

C#

using System;
using System.Runtime.InteropServices;
using System.Collections.Generic;
using System.Drawing.Printing;
using System.Windows.Forms;
using System.Text;


namespace unamespace
{
    interface iclass
    {
        string fname();
        string sname();
        void box();
    }

    [ClassInterface(ClassInterfaceType.AutoDual)]
   
    public class uclass : iclass
    {
        public string fname()
        {
            return "umair";
        
        }
        public string sname()
        {

            return "ali";
        
        }
        public void box()
        {
            MessageBox.Show("testing winform tools");
        
        }

    }
}

2-then following some tutorial, i compiled the my .cs file using csc.exe compiler
3-then i registered unamespae.dll using regasm.
all done correctly.
4- i wrote a test html page to check my activex control.

JavaScript

<!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>umairXXX</title>
    <script type="text/javascript">
        var x = new ActiveXObject(unamespace.uclass);
        alert(x.fname());
        alert(x.sname());
        alert(x.box());
    
    
    </script>
</head>
<body>

</body>
</html>

but when i opened that html page in ie, nothing happens. only a warning occurs that seeks permision to allow activex controls to run in ie. nd nthing happens :-(

Posted 26-Oct-13 10:45am

hina_abbas123

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hina_abbas123 26-Oct-13 17:09pm

:-(
no answer yet!

Sergey Alexandrovich Kryukov 27-Oct-13 0:48am

Why creating ActiveX controls at all? How is it related to JavaScript? Isn't it about using ActiveX in IE?
—SA

hina_abbas123 27-Oct-13 1:12am

script that have been written is in java script. thats why it is related to javascript.
actually i want to create activex control for a printer. and it was just the beginning. COM object that will be created, ll have to be embedded in already running app.

Sergey Alexandrovich Kryukov 27-Oct-13 1:48am

ActiveX in browser is evil. Many users will put your site in a not-visit list if they find out that you use ActiveX, it would mean that you don't consider basic security issues. And it's only for IE and Microsoft systems.
—SA

hina_abbas123 27-Oct-13 2:33am

yes i know, actually the software i am working for ll not put on www. it ll run on local network. and ofcourse on IE

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mag13 · Answer 1 · 2014-01-15T11:49:00

XML

ActiveX can also run on Chrome with a simple plugin. You find that PlugIn in Store. try it. Search for "ActiveX for Chrome" on google.
For your problem, see <a href="http://forums.asp.net/p/1947676/5551928.aspx?Loading+ActiveX+with+object+tag">Loading ActiveX with object tag</a>, Syntax for loading dll cab is not correct in javascript. You should use &lt;OBJECT id="myCab" classid="clsid:YOUR_CAB_GUID">&lt;/OBJECT>