How to perform smooth scrolling on IHTMLELEMENT control.

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I have a webpage which I need to display in my desktop application (WPF). I am using WebBrowser control. The webpage which I am populating has an IHTMLELEMENT control which has scrolling and I need to perform the smooth scrolling.

What I have tried:

I am able to get the IHTMLELEMENT control and perform scrolling using (IHTMLELEMENT).scrollIntoView(true) -> to scroll top and (IHTMLELEMENT).scrollIntoView(false) -> to scroll bottom. This perform scrolling in one shot and I want to perform scrolling smoothly and slowly.

Posted 23-Oct-19 18:32pm

partha143

Updated 24-Oct-19 6:08am

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Richard Deeming · Answer 1 · 2019-10-24T06:08:00

There is an overload of scrollIntoView which allows you to specify smooth scrolling:
Element.scrollIntoView() - Web APIs | MDN[^]

Unfortunately, it's not supported in any version of Internet Explorer, so it won't work with the WebBrowser control.

Even the polyfill[^] only supports IE9+, so it's not going to work in the WebBrowser control, which is stuck in IE7 mode.

If possible, I'd recommend switching to a better browser control like CefSharp[^] or Geckofx[^].