Image comprasion not working as intended
===

Here is some of my code, and with my, I mean they all belong to people who wrote this, I just put it together. 


            Bitmap thisScreenshot = new Bitmap(Width, Height);
            Graphics gfxScreenshot = Graphics.FromImage(thisScreenshot);
            IntPtr hdcBitmap = gfxScreenshot.GetHdc();
            PrintWindow(WindowToFind, hdcBitmap, 0);
            gfxScreenshot.ReleaseHdc(hdcBitmap);
            //until this is part its just getting image of window(thisScreenshot)
            AForge.Imaging.Filters.ResizeBilinear filter = new AForge.Imaging.Filters.ResizeBilinear(100, 60);
            Bitmap forthumbnail = filter.Apply(thisScreenshot);
            pictureBox1.Image = forthumbnail;
            //created thumbnail




            //this is where it gets slightly interesting:
            Choppa = new AForge.Imaging.Filters.Crop(new Rectangle(150,55,250,200));
            Bitmap croppedACCEPTtext = Choppa.Apply(thisScreenshot);
            string img1_ref, img2_ref;
            Bitmap img1 = croppedACCEPTtext;
            Bitmap img2 = Properties.Resources.txt305;
            int count1 = 0, count2 = 0;
            bool flag = true;
            if (img1.Width == img2.Width && img1.Height == img2.Height)
            {
                for (int i = 0; i < img1.Width; i++)
                {
                    for (int j = 0; j < img1.Height; j++)
                    {
                        img1_ref = img1.GetPixel(i, j).ToString();
                        img2_ref = img2.GetPixel(i, j).ToString();
                        if (img1_ref != img2_ref)
                        {
                            count2++;
                            flag = false;
                            break;
                        }
                        count1++;
                    }
                }

                if (count2 < 200)
                {
                    //THIS IS WORKS, AND HAPPENS CORRECTLY.
                    //THIS IS WORKS, AND HAPPENS CORRECTLY.
                }
                else
                {
                    
                }
            }
            else
            {
                
            }
            //Now, remaining part above doesnt work. 
            //its always false, unless when I look for count2 <400, then its always true.
            AForge.Imaging.Filters.Crop Choppah = new AForge.Imaging.Filters.Crop(new Rectangle(150, 55, 350, 300));
            croppedACCEPTtext = Choppah.Apply(thisScreenshot);
            img1 = croppedACCEPTtext;
            count1 = 0;
            count2 = 0;
            flag = true;
            img2 = Properties.Resources.txt306;
            if (img1.Width == img2.Width && img1.Height == img2.Height)
            {
                for (int i = 0; i < img1.Width; i++)
                {
                    for (int j = 0; j < img1.Height; j++)
                    {
                        img1_ref = img1.GetPixel(i, j).ToString();
                        img2_ref = img2.GetPixel(i, j).ToString();
                        if (img1_ref != img2_ref)
                        {
                            count2++;
                            flag = false;
                            break;
                        }
                        count1++;
                    }
                }

                if (count2 < 400)
                {
                    //fail ?
                }
                else

                {
                }
            }
            else
            {
                
            }

this is codes are not actually even mine but they fail for some reason, I cant seem to understand.