/// <summary>
/// Download |imageUrl| and execute |callback| on completion with the images
/// received from the renderer. If |isFavicon| is true (1) then cookies are
/// not sent and not accepted during download. Images with density independent
/// pixel (DIP) sizes larger than |maxImageSize| are filtered out from the
/// image results. Versions of the image at different scale factors may be
/// downloaded up to the maximum scale factor supported by the system. If there
/// are no image results <= |maxImageSize| then the smallest image is resized
/// to |maxImageSize| and is the only result. A |maxImageSize| of 0 means
/// unlimited. If |bypassCache| is true (1) then |imageUrl| is requested from
/// the server even if it is present in the browser cache.
/// </summary>
/// <remarks>
/// See also the original CEF documentation in
/// <see href="https://bitbucket.org/chromiumfx/chromiumfx/src/tip/cef/include/capi/cef_browser_capi.h">cef/include/capi/cef_browser_capi.h</see>.
/// </remarks>
public void DownloadImage(string imageUrl, bool isFavicon, uint maxImageSize, bool bypassCache, CfxDownloadImageCallback callback)
{
var imageUrl_pinned = new PinnedString(imageUrl);
CfxApi.cfx_browser_host_download_image(NativePtr, imageUrl_pinned.Obj.PinnedPtr, imageUrl_pinned.Length, isFavicon ? 1 : 0, maxImageSize, bypassCache ? 1 : 0, CfxDownloadImageCallback.Unwrap(callback));
imageUrl_pinned.Obj.Free();
}