3

 

// 建立图像
            Bitmap b = new Bitmap(Image.FromFile(FileName));
            //按比例显示（不变形）
            bmp1 = new Bitmap(b, b.Size.Width, b.Size.Height);

            // 显示图像
            pictureBox1.Image = bmp1;
            //显示缩略图
            pictureBox2.Image = SmallPic(bmp1, bmp1.Size.Width, bmp1.Size.Height);
            this.Text = FileName;
            // 取点颜色
            Color color1 = bmp1.GetPixel(0, 0);
            textBox6.Text = color1.R.ToString();
            textBox5.Text = color1.G.ToString();
            textBox4.Text = color1.B.ToString();

            int h = bmp1.Height;
            int w = bmp1.Width;