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how to obtain the actual width and height of a modal dialog window

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Oct 17.2004

Hello

I have a modal dialog window which I triggered using:
window.showModalDialog()

in the HTML page that is rendered inside the window I place various controls.
I would like to know what is the final dimensions of the window. i.e what is the actual width and height (in pixels) that the window is occuppying on the screen.

I know that this information is browser specific as each browser renders its elements a bit different.

Still I hope that I have access to this information in the onload() event of the page.

Can someone show me how to obtain this info?
I tried:
document.body.clientHeight
document.body.scrollHeight

but both seem to not be affected by the amount of content in the page

regards

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JavaScript

2 Comments(s) ↴

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@jasongrauthorOct 17.2004 — Here is a little trick that I tried:

I placed one big <div> element surrounding everything inside the <body> element like so:
<i>
</i>&lt;html&gt;
&lt;body&gt;
&lt;div id="container"&gt;
&lt;!-- content of page goes here --&gt;
&lt;/div&gt;
&lt;/body&gt;
&lt;/html&gt;


Later in onload() I do the following:
<i>
</i>var height = container.offsetHeight;
var width = container.offsetWidth;

These give me the minimal dimensions the window should have without scrollbars.

The problem starts when I try to update the width and height of the window to these new values:
<i>
</i>window.dialogHeight = height + "px";
window.dialogWidth = width + "px";

All of a sudden I got two scrollbars!

Can anyone see what the problem is?

What am I not taking into account?
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@FangOct 18.2004 — 'Modal Dialog Boxes' are IE specific!

To find the dimensions of the modal window use [i]window.dialogHeight and window.dialogWidth[/i]

http://msdn.microsoft.com/workshop/author/dhtml/reference/methods/showmodaldialog.asp
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