title: Rotate Image using RotateFlip in C#
body: <p>I have this code to rotate an image in an if loop in C# Windows Form application, but the Form does not show anything in the form output.</p>
  
  <p>Can anyone help?</p>
  
  <pre><code>this.splitContainer1.Panel2.Controls.Add(PictureBox1);
  PictureBox1.SizeMode = PictureBoxSizeMode.AutoSize;
  PictureBox1.Image = bitmap; //Image.FromFile(@"C:\image.jpg");
  PictureBox1.SizeMode = PictureBoxSizeMode.AutoSize;
  PictureBox1.Image = (Image)(RotateImg(bitmap, 30.0f, Color.Transparent));
  </code></pre>