C# WinForm WebBrowser set to edit mode sample code

Write a program to download files in batches. The HTML page to be analyzed requires logging in to access, but the downloaded related pages do not require logging in to access, so I was lazy and set the WebBrowser to edit in the program. mode, just copy the content to be analyzed from the logged-in browser window.

Setting method:

        private void mainForm_Load(object sender, EventArgs e)
        {
            this.webBrowser1.Navigate("about:blank");
            if (this.webBrowser1.Document != null)
            {
                mshtml.IHTMLDocument2 doc = this.webBrowser1.Document.DomDocument as mshtml.IHTMLDocument2;
                if (doc != null)
                {
                    doc.designMode = "on";
                }
            }
        }

Open "about:blank" by default, otherwise "webBrowser1.Document == null";

doc.designMode = "on" is the editing mode, doc.designMode = "off" is the browsing mode;

Need to add a reference:

Only used here: MSHTML

## ======================Document information========================== =

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