pdf转换成jpg示例分享(2)

using System; 
using System.Collections.Generic; 
using System.ComponentModel; 
using System.Data; 
using System.Drawing; 
using System.Linq; 
using System.Text; 
using System.Windows.Forms; 
using ConvertPDF; 
namespace PDF2Img 
{ 
    public partial class Form1 : Form 
    { 
        public Form1() 
        { 
            InitializeComponent(); 

        } 
        private void button1_Click(object sender, EventArgs e) 
        { 
            PDFConvert convertor = new PDFConvert(); 
            convertor.pdf2jpgTest(); 
            Image img = Image.FromFile(@"C://tmp//pdfimg//out.jpg"); 
            myBitmap = new Bitmap(img); 

            Graphics G = this.CreateGraphics(); 
            GraphicsUnit GU = G.PageUnit; 
            BMPContainer = myBitmap.GetBounds(ref GU); //X,Y = 0 

           // Graphics g = this.CreateGraphics(); 
            //g.DrawImage(myBitmap, 1, 1); 
            this.Invalidate(); 
        } 
        private Bitmap myBitmap; 
        private RectangleF BMPContainer; 
        protected override void OnPaint(PaintEventArgs e) 
        { 
            Graphics G = e.Graphics; 
            if (myBitmap != null) 
            {            
                G.DrawImage(myBitmap, BMPContainer); 
            } 
            base.OnPaint(e); 
        } 
    } 
}