/// <summary>
/// Opens a new host container with the url and settings provided.
/// </summary>
/// <param name="caption">Window caption to apply to new window.</param>
/// <param name="url">Url to load within the new window.</param>
/// <param name="width">Width (in pixels) to size new window to.</param>
/// <param name="height">Height (in pixels) to size new window to.</param>
public void OpenNewWindow(string caption, string url, int width, int height, string mode)
{
host.OpenNewWindow(caption, url, width, height, mode);
}