Re: Com/ActiveX component to use on HTML page with javascript
From: Jerry Pisk (jerryiii_at_hotmail.com)
Date: 04/16/04
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Date: Fri, 16 Apr 2004 09:45:32 -0700
Actually you shouldn't change IE's settings, all you need is to implement
the IObjectSafety interface (and return the appropriate values).
Jerry
"Mikael Svenson" <mikaels@powertech.no> wrote in message
news:407FA872.205925E9@powertech.no...
> That's what I hoped for. If I regasm /tlb mycomponent.dll on my dev
> machine, and reference it with <object like I initially mentioned, I
> still get the "unsafe activex" component. But guess I can dig into the
> IE functions and just allow it all.
>
> If you want I can post my code and settings to see if I'm doing
> something wrong.
>
> If I change the security settings for my IE instance, will this affect
> the other IE's the user might have running?
>
> -m
>
> Jerry Pisk wrote:
> >
> > The Office components work because they're registered during Office
> > installation. You can do your own thing, you can register your controls
from
> > within the installation process. Once the controls are registered you
can
> > use them without IE wanting to install them again. If you're going to
embed
> > IE in your app you can even control the security settings in it, so you
can
> > have it allow ActiveX controls even when the user disabled them for
> > standalone IE.
> >
> > Jerry
> >
> > "Mikael Svenson" <mikaels@powertech.no> wrote in message
> > news:407E52E1.F2B163C7@powertech.no...
> > > Ok, so the reason using a graph component from Office works, is
because
> > > it's made by Microsoft? And I agree totally with the security issues.
I
> > > just thought that if you install and register a dll on the machine
thru
> > > a setup, that would be the same as to authorize it, and thus IE could
> > > use it without any pop-ups afterwards.
> > >
> > > My scenario would be as follow:
> > >
> > > 1. User installs an application, with dll's which are registred
> > > 2. My appbar/winform uses IE as part of the GUI
> > > 3. the GUI instantiates the dll, and subscribes to events for it
> > >
> > > I might just go with making the whole app a winform, and not using
> > > IE/html for part of the GUI stuff. I have IE as a component in an
> > > appbar, and it would be very easy to change GUI stuff if I could have
it
> > > as a webpage somewhere. But I might just go with putting more stuff in
> > > the winform, and use .Net's dll autoupgrade feature instead.
> > >
> > > Thanks for the replies :)
> > >
> > > Regards,
> > > Mikael Svenson
> > >
> > > Jerry Pisk wrote:
> > > >
> > > > It won't breeze by unless the user sets their IE to do so (but I
don't
> > know
> > > > who in their right mind would do that). There's absolutely nothing
you
> > can
> > > > do to force an ActiveX object installation on the user, they will
always
> > > > have to accept it (and even have the option to reject it for good
> > starting
> > > > with WinXP SP2) - with the exception of those who blindly accept
> > everything
> > > > but as I said, you don't want those users.
> > > >
> > > > Jerry
> > > >
> > > > "Mikael Svenson" <mikaels@powertech.no> wrote in message
> > > > news:407D54C9.74F36EB8@powertech.no...
> > > > > If I sign it, will the user be prompted once to accept the
> > certificate,
> > > > > or will it just breeze by?
> > > > >
> > > > > What I'm trying to accomplish is to use a .dll (or) ActiveX
component
> > > > > from a webpage to do certain tasks. Say the component checks a DB
on
> > > > > certain intervals and triggers an event which the web page acts on
in
> > > > > javascript.
> > > > >
> > > > > Will it be different if I make the component a ServicedComponent
> > instead
> > > > > and register it with regsvcs.exe?
> > > > >
> > > > > Regards,
> > > > > Mikael Svenson
> > > > >
> > > > >
> > > > > "Dmitriy Lapshin [C# / .NET MVP]" wrote:
> > > > > >
> > > > > > Hi,
> > > > > >
> > > > > > If I got you right, you should sign the component assembly with
a
> > > > Software
> > > > > > Publisher Certificate. You can make one for testing purposes
with
> > .NET
> > > > > > Framework SDK tools such as makecert.exe and cert2spc.exe.
> > > > > >
> > > > > > --
> > > > > > Dmitriy Lapshin [C# / .NET MVP]
> > > > > > X-Unity Test Studio
> > > > > > http://www.x-unity.net/teststudio.aspx
> > > > > > Bring the power of unit testing to VS .NET IDE
> > > > > >
> > > > > > "Mikael Svenson" <mikaels@powertech.no> wrote in message
> > > > > > news:407D24E2.F48CD9B6@powertech.no...
> > > > > > > I have managed to make an ActiveX component in C#, and I've
made
> > > > > > > refrenced it with
> > > > > > > <object classid="CLSID:4606E9A6-F60D-4623-8892-DABE54E05282"
> > > > height="10"
> > > > > > > id="EventTester" width="10" viewastext></object>
> > > > > > >
> > > > > > > which works just fine.
> > > > > > >
> > > > > > > (I have specified the guid for the class, interface and
assembly,
> > and
> > > > > > > have it strongly named)
> > > > > > >
> > > > > > > The problem is that the component is unsigned, and requires
the
> > user
> > > > to
> > > > > > > accept it.
> > > > > > >
> > > > > > > My question is, how can I make a component which I can
reference
> > from
> > > > a
> > > > > > > html page without needing the user to accept it.
> > > > > > >
> > > > > > > The component will be installed on the client machine with an
> > > > installer.
> > > > > > > With C++ and regsvr32 this works just fine. You set your
object
> > tag
> > > > once
> > > > > > > it's registered and you're ready to go, but this don't seem to
be
> > the
> > > > > > > case with .Net components.
> > > > > > >
> > > > > > > Say I want to make a DLL which returns the Windows Version or
> > > > something
> > > > > > > with a string property.
> > > > > > >
> > > > > > > <javascript>
> > > > > > > alert( EventTester.Version );
> > > > > > > </javascript>
> > > > > > >
> > > > > > > And there is some code in the C# class which returns this.
> > > > > > >
> > > > > > > Any help on the matter would be appreciated. I have googled
quite
> > a
> > > > lot
> > > > > > > already on this :)
> > > > > > >
> > > > > > > Regards,
> > > > > > > Mikael Svenson
- Next message: Alvin Bruney [MVP]: "Re: Disable Dropdown into a Datagrig"
- Previous message: Doknjas: "Re: VB.Net With Statement"
- In reply to: Mikael Svenson: "Re: Com/ActiveX component to use on HTML page with javascript"
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