Re: Smart Clients: How is this done?

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If I write a custom control using the .net drawing classes, for example a
gauge with a needle, how do I update it from the web page? This control
will expose a public property, needleposition, which when updated will
refresh the control and reposition the needle.

The part I am confused is how do I set this property from within the
<object> tag on the webpage. At looking at the example below, I did not
notice any javascript or a metarefresh tag to update the web page, so what I
am trying to figure out is a design to update the control while keeping the
web page from refreshing.

"Lloyd Dupont" wrote:

> interesting link, thanks!
>
> now I don't understand your problem. what do you want to install?
>
> let's take an example you might understand.
> when you see an applet do you need to instal anything?
> same here!
> if you look at the HTML source you could spot this line:
>
> <object id="GaugeContainer1" style="Z-INDEX: 101; LEFT: 40px; POSITION:
> absolute; TOP: 75px; BACKGROUND-POSITION: center center; BACKGROUND-REPEAT:
> no-repeat; BACKGROUND-IMAGE: url(LoadingControl.png)"
> classid="http:DundasWinGauge.dll#Dundas.Gauges.WinControl.GaugeContainer"
> height="121" width="530">
>
> look at 'classid'
> http:DundasWinGauge.dll#Dundas.Gauges.WinControl.GaugeContainer
>
> that means in the crurrent directory, (http) download DundasWinGauge.dll and
> run the control Dundas.Gauges.WinControl.GaugeContainer
>
> that's it!
>
> "Chris Fink" <ChrisFink@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
> news:5B0A9698-D4C8-4BFE-BB96-FA695CBCFC82@xxxxxxxxxxxxxxxx
> > In the following example, click the "Real-Time Binary Streaming Using
> > Flash,
> > SmartClient or Image" link
> >
> > http://www.dundas.com/products/gauge/demos/index.aspx?Section=GaugeDemos&Body=Demos.aspx
> >
> > They claim the middle one to be a smart client....But I don't see how this
> > is a smart client when nothing is placed on the client machine that
> > invokes
> > this? I am more concerned about how they accomplished this? How did they
> > build the graphics and display it on a web page (I am assuming a windows
> > form).....and how do they pass realtime data to update the controls...?
>
>
>
.

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