Image.aspx.cs

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using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Threading;
using System.Globalization;

public partial class Image : System.Web.UI.Page
{
    protected override void InitializeCulture()
    {
        String s = Request.QueryString["currentculture"];
        if (!String.IsNullOrEmpty(s))
        {
            //UICulture - 决定了采用哪一种本地化资源，也就是使用哪种语言
            //Culture - 决定各种数据类型是如何组织，如数字与日期
            Thread.CurrentThread.CurrentUICulture = new CultureInfo(s);
            Thread.CurrentThread.CurrentCulture = CultureInfo.CreateSpecificCulture(s);
        }
    }

    protected void Page_Load(object sender, EventArgs e)
    {
        System.Drawing.Bitmap img = (System.Drawing.Bitmap)GetGlobalResourceObject(
            "LocalizedText",
            CultureInfo.CurrentCulture.Name.ToLower().Replace("-", "_") + "_flag");

        System.IO.MemoryStream ms = new System.IO.MemoryStream();
        img.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);

        Response.ClearContent();
        Response.ContentType = "image/jpeg";
        Response.BinaryWrite(ms.ToArray());

        img.Dispose();
        ms.Dispose();
        ms.Flush();
    }
}