제목 : Website screenshot 제작 관련 문의입니다. 
    
    
        
            
                | 글번호: |  | 756 | 
            
                | 작성자: |  | 김근영 | 
            
                | 작성일: |  | 2009/05/08 오후 3:00:00 | 
            
            
                | 조회수: |  | 5551 | 
            
        
     
 
    
	
	
    
	Website screenshot 관련 class를 제작중에 있는데 계속 알 수 없는 에러가 나옵니다. 
에러 네용은
"현재 스레드가 단일 스레드 아파트에 없으므로 ActiveX 컨트롤 '8856f961-340a-11d0-a96b-00c04fd705a2'을
(를) 인스턴스화할 수 없습니다."
라는 메시지가 나오고,
소스는 일단 dll파일은
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Imaging;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
namespace GetSiteThumbnail
{
   
    /*
    public static void Main() 
    {
        Application.Run(new 폼네임());
    }
    */
    public class GetImage
    {
        private int S_Height;
        private int S_Width;
        private int F_Height;
        private int F_Width;
        private string MyURL;
        public int ScreenHeight
        {
            get { return S_Height; }
            set { S_Height = value; }
        }
        public int ScreenWidth
        {
            get { return S_Width; }
            set { S_Width = value; }
        }
        public int ImageHeight
        {
            get { return F_Height; }
            set { F_Height = value; }
        }
        public int ImageWidth
        {
            get { return F_Width; }
            set { F_Width = value; }
        }
        public string WebSite
        {
            get { return MyURL; }
            set { MyURL = value; }
        }
        public GetImage(string WebSite, int ScreenWidth, int ScreenHeight, int ImageWidth, int ImageHeight)
        {
            this.WebSite = WebSite;
            this.ScreenWidth = ScreenWidth;
            this.ScreenHeight = ScreenHeight;
            this.ImageHeight = ImageHeight;
            this.ImageWidth = ImageWidth;
        }
        [STAThread]
        
        public Bitmap GetBitmap()
        {
            WebPageBitmap Shot = new WebPageBitmap(this.WebSite, this.ScreenWidth, this.ScreenHeight);
            Shot.GetIt();
            Bitmap Pic = Shot.DrawBitmap(this.ImageHeight, this.ImageWidth);
            return Pic;
        }
    }
    class WebPageBitmap
    {
        WebBrowser MyBrowser;
        string URL;
        int Height;
        int Width;
        public WebPageBitmap(string url, int width, int height)
        {
            this.Height = height;
            this.Width = width;
            this.URL = url;
            MyBrowser = new WebBrowser();
            MyBrowser.ScrollBarsEnabled = false;
            MyBrowser.Size = new Size(this.Width, this.Height);
        }
        public void GetIt()
        {
            MyBrowser.Navigate(this.URL);
            while (MyBrowser.ReadyState != WebBrowserReadyState.Complete)
            {
                Application.DoEvents();
            }
        }
        public Bitmap DrawBitmap(int theight, int twidth)
        {
            Bitmap myBitmap = new Bitmap(Width, Height);
            Rectangle DrawRect = new Rectangle(0, 0, Width, Height);
            MyBrowser.DrawToBitmap(myBitmap, DrawRect);
            System.Drawing.Image imgOutput = myBitmap;
            System.Drawing.Bitmap oThumbNail = new Bitmap(twidth, theight, imgOutput.PixelFormat);
            Graphics g = Graphics.FromImage(oThumbNail);
            g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighSpeed;
            g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighSpeed;
            g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBilinear;
            Rectangle oRectangle = default(Rectangle);
            oRectangle = new Rectangle(0, 0, twidth, theight);
            g.DrawImage(imgOutput, oRectangle);
            try
            {
                return  oThumbNail;
            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                imgOutput.Dispose();
                imgOutput = null;
                MyBrowser.Dispose();
                MyBrowser = null;
            }
        }
    }
}
그리고 실제 asp.net 페이지에는
GetSiteThumbnail.GetImage oImg = new GetSiteThumbnail.GetImage("http://naver.com", 1000, 800, 500, 
400);
         oImg.GetBitmap();
이런 식으로 처리 했는데 에러가 나오네요.
아마도 스레드 관련 문제인것 같은데
위의 소스를 웹에서 사용가능한 단일 스레드로 만들려면 어떻게 해야하는지 도움 부탁드리겠습니다