I used this code, but when I slide the webbrowser is in front.
procedure TForm1.MultiView1StartHiding(Sender: TObject);
begin
img.free;
webbrowser1.Visible := true;
MultiView1.Visible := False;
end;
procedure TForm1.MultiView1StartShowing(Sender: TObject);
begin
img := TImage.Create(self);
img.Parent := Layout2;
img.Align := TAlignLayout.AlClient;
img.Bitmap := webbrowser1.MakeScreenshot;
webbrowser1.Visible := false;