DevTools Examples

SetFileInputFilesAsync.cs

using (var client = chromiumWebBrowser.GetDevToolsClient())
{
	var dom = await client.DOM.GetDocumentAsync();
	var querySelectorResponse = await client.DOM.QuerySelectorAsync(dom.Root.NodeId, "#fileupload");
	_ = client.DOM.SetFileInputFilesAsync(new string[] {@"c:\temp\scr.png"}, querySelectorResponse.NodeId);
}

SetUserAgentOverrideAsync.cs

// Copyright © 2020 The CefSharp Authors. All rights reserved.
//
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.

namespace CefSharp.Wpf.Example.Handlers
{
    public class LifeSpanHandler : ILifeSpanHandler
    {
        bool ILifeSpanHandler.DoClose(IWebBrowser chromiumWebBrowser, IBrowser browser)
        {
            return false;
        }

        void ILifeSpanHandler.OnAfterCreated(IWebBrowser chromiumWebBrowser, IBrowser browser)
        {
            using (var client = chromiumWebBrowser.GetDevToolsClient())
            {
                _ = client.Network.SetUserAgentOverrideAsync("Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36 - Testing 123");
            }
        }

        void ILifeSpanHandler.OnBeforeClose(IWebBrowser chromiumWebBrowser, IBrowser browser)
        {
            
        }

        bool ILifeSpanHandler.OnBeforePopup(IWebBrowser chromiumWebBrowser, IBrowser browser, IFrame frame, string targetUrl, string targetFrameName, WindowOpenDisposition targetDisposition, bool userGesture, IPopupFeatures popupFeatures, IWindowInfo windowInfo, IBrowserSettings browserSettings, ref bool noJavascriptAccess, out IWebBrowser newBrowser)
        {
            newBrowser = null;

            return false;
        }
    }
}