What method can I use to judge whether all the files have been downloaded?

[bdc2018]

I'm going to use CefSharp to automatically download the pictures or other files of some web pages, and use OnResourceLoadComplete to save the files, but FrameLoadEnd can't judge whether all the files have been downloaded. What method can I use to judge whether all the files have been downloaded, and then switch to another web page to continue downloading?

[jankurianski]

Using JavaScript, poll the document.readyState until it becomes complete.
https://developer.mozilla.org/en-US/docs/Web/API/Document/readyState

interactive means "... images, stylesheets and frames are still loading"
complete means "all sub-resources have finished loading"

[amaitland]

automatically download the pictures or other files of some web pages, and use OnResourceLoadComplete to save the files

You may wish to consider using a response filter see
https://github.com/cefsharp/CefSharp/wiki/General-Usage#response-filtering