private void Form1_Load(object sender, EventArgs e)
        {
            try
            {
               
                pictureBox1.Load(temp_dir + temp_file);
            }
            catch 
            {
                MessageBox.Show("Check internet connection or the downloading site:\"" + remote_image_on_server + "\" and try again");
               
                //MessageBox.Show(IWin32Window,"");
               // TODO: add action/s to load a file from local directory (if exists/if file exists)
               //pictureBox1.Load(
            }
            if (sf == null)
            {
                label4.Text = "Directory haven't chosen yet.";
            }
            else
            {
                label4.Text = "Current Download Directory Is :" + sf;
            }
        }

 
private void Form1_Load(object sender, EventArgs e)
        {
            try
            {
                pictureBox1.Load(@"bla.jpg");
                
            }
            catch(Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }