How to find out if the loaded page is error page or valid page in System.Windows.Forms.WebBrowser?



I am using


System.Windows.Forms.WebBrowser

control in C# for displaying some pages. I want to do some custom work when the user clicks on a url of a page which does not exist.


Basically I want to set some values when the browser displays the following message


The page cannot be displayed
The page you are looking for is currently unavailable. The Web site might be experiencing technical difficulties

How can I get the status so that I can differenciate between a page loaded and error page?


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