picturebox problem

Question

i want to put an image to a picturebox when i click a button, the iage does not apear
this is the code i'm using:

private Bitmap MyImage ;

private void button9_Click(object sender, System.EventArgs e)

{

// Sets up an image object to be displayed.

if (MyImage != null)

{

MyImage.Dispose();

}

//openFileDialog1.ShowDialog();

MyImage = new Bitmap(@"c:\temp\print.bmp");

pictureBox1.Image = (Image) MyImage ;

pictureBox1.Refresh();

}


can someone help....

Jorge Rodrigues