C# - Know The Height Of HTML Content In A Console Application

I have HTML code something like -

Heading

Solution 1:

Answering my own question -

All I needed to do was adding reference of System.Windows.Forms in my console application. After that I was able to use WebBrowser in headless form directly without creating any form element.

After using WebBrowser, I set the height/width of reasonable number. Something like below -

WebBrowser wb = new WebBrowser();
//Setting the page height and width to a reasonable number. So that whatever the content loaded in it gets aligned properly.
//For me 3000 works fine for my requirements.
wb.Width = 3000; 
wb.Height = 3000;

wb.Url = new Uri(htmlFilePath);
//the below code will force the webbrowser control to load the html in it.
while (wb.Document.Body == null)
{
    Application.DoEvents();
}
int height = wb.Document.Body.ScrollRectangle.Height;

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