/// <summary>
/// 使用URI地址构造对象
/// </summary>
/// <param name="uri">页面地址</param>
/// <param name="size">页面位置（宽高）</param>
/// <returns></returns>
public static Bitmap GetWebPreview(Uri uri, Size size)
{
WebPreview wp = new WebPreview(uri, size);
return(wp.GetWebPreview());
}
/// <summary>
/// 根据相关参数获取页面预览位图对象
/// </summary>
/// <param name="uri">页面地址</param>
/// <param name="timeout">截图超时时间</param>
/// <param name="width">图形宽度</param>
/// <param name="height">图形高度</param>
/// <param name="fullPage">全页面</param>
/// <returns></returns>
public static Bitmap GetWebPreview(Uri uri, int timeout, int width, int height, bool fullPage)
{
WebPreview wp = new WebPreview(uri, timeout, width, height, fullPage);
return(wp.GetWebPreview());
}