C#图片控件中加图片

   DialogResult dr = ofdAddUserPicture.ShowDialog();
            this.picPicture.Image = Image.FromFile(ofdAddUserPicture.FileName); //显示图片
            if (dr == DialogResult.OK)
            {
                user.Picture = ofdAddUserPicture.FileName;                
            }
            else
            {
                user.Picture = null;
            }