public void TakeScreenshotOffscreen(string url, string filename)
{
var offscreenBrowser = new CefSharp.OffScreen.ChromiumWebBrowser();
offscreenBrowser.BrowserInitialized += (o, args) =>
{
offscreenBrowser.Load(url);
offscreenBrowser.FrameLoadEnd += async(sender1, eventArgs) =>
{
if (eventArgs.Frame.IsMain)
{
var sizes = await offscreenBrowser.EvaluateScriptAsync(JavascriptQueries.RequestForMaxSize);
var widthAndHeight = (List <object>)sizes.Result;
var screenshotSize = new System.Drawing.Size((int)widthAndHeight[0], (int)widthAndHeight[1]);
offscreenBrowser.Size = screenshotSize;
await Task.Delay(500);
var bitmap = await offscreenBrowser.ScreenshotAsync(false, PopupBlending.Main);
bitmap.Save(filename, ImageFormat.Png);
offscreenBrowser.Dispose();
Process.Start(new System.Diagnostics.ProcessStartInfo
{
UseShellExecute = true,
FileName = filename
});
}
};
};
}
/// <summary>
/// Navigate to a URL and wait for page loading to complete
/// </summary>
/// <param name="url"></param>
public void NavigateTo(string url)
{
if (Debug)
{
DebugLog.Message("Loading page: " + url);
}
//WebBrowser.Size = new Size((int)(800 + 1.25), (int)(400 * 1.25));
PageLoadedEvent.Reset();
OffScreenBrowser.Load(url);
PageLoadedEvent.WaitOne(); // wait for page to complete loading
Thread.Sleep(500); // Give the browser a little time to render
if (Debug)
{
DebugLog.Message("Loading complete");
}
return;
}