title: Append text and image in RichTextBox
body: <p>For Append Text</p>
  
  <pre><code>private void AddText(string text)
  {
      string[] str = text.Split(new string[] { ";" },
          StringSplitOptions.RemoveEmptyEntries);
  
      if (str.Length == 2)
      {
          richTextBox1.DeselectAll();
          richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont, FontStyle.Bold);
          richTextBox1.AppendText(Environment.NewLine + str[0] + ";");
          richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont, FontStyle.Regular);
          richTextBox1.AppendText(str[1]);
      }
  }
  </code></pre>
  
  <p>For Append Image</p>
  
  <pre><code>Image image = Image.FromFile("Logo.jpg");
  
  // Put the image on the clipboard
  Clipboard.SetImage(image);
  
  //// Paste it into the rich tetx box.
  richTextBox1.Paste();
  </code></pre>
  
  <p>I do not know how can create RichTextBox like This image? 
  <img src="https://i.stack.imgur.com/Vk4c5.png" alt="enter image description here">    </p>