Hi all,

As the question suggests, I needed to support my web application work in multi monitor situation.
The case is :
From my applications main page I open second page through Window.Open with all necessary parameters and setting height and width to expand the new window to fill (first monitor width + second monitor width)
as ex: First Monitor Screen Width is 1280 so width given to Window.Open is 2560.

The problem is after the page is opened it gets opened in default first screen, filling only first screens width.
The remedy to this problem is, We need to add the site in Trusted Sites and handle Security Level and LOW it down. [ Internet Options -> Security Tab -> Trusted Sites -> Security Level -> Scroll set to LOW ].

After doing the above solution it works perfectly to open the new window to fill both monitors.

Does anyone have any idea why such behavior or is there any security or any IE functionality blocking it from opening without doing such Trusted Sites settings. Because lower down the Security Level might be a risk and its not a feasible solution.

How should we overcome the problem with javascript without using any 3rd party add-ons ?

This is the first case I need to solve in internet explorer first, the issue is same with firefox.